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April 17, 2014

Search: There are two forces acting on the 2 kg box shown in the figure below, but only

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PHYSICS
Two horizontal forces, F1 and F2, are acting on a box, but only F1 is shown in the drawing. F2 can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that = +6.2 N and the mass of the box...
Wednesday, February 2, 2011 at 8:13pm by Tiffany

physics
Question Part Points Submissions Used An aluminum block, m1 = 3.00 kg, and a copper block, m2 = 1.14 kg, are connected by a light string over a frictionless pulley. They sit on a steel surface as shown in the figure below, where θ = 45.0°. (See the table below for the ...
Monday, October 17, 2011 at 10:25am by carlton

physics
Two people are holding up the ends of a 4.40-kg wooden board that is l = 1.60 m long. A m = 7.00-kg box sits on the board, 0.50 m from one end, as shown below. What forces do the two people exert?
Wednesday, January 2, 2013 at 5:13pm by Jamison

Physics
Two horizontal forces, F1-> and F2-> , are acting on a box, but only F1->is shown in the drawing. F2-> can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that F1-> = +8...
Wednesday, February 13, 2013 at 7:57pm by Randy

physics
Two books of mass m1 = 6.9 kg and m2 = 3.8 kg are stacked on a table as shown in the figure below. Find the normal force acting between the table and the book on the bottom. im confused where to start
Thursday, September 9, 2010 at 9:32pm by tommy

physics
A person pushes with force F on a box which remains at rest on a rough floor as shown in the top figure. The bottom figures illustrates all the force acting on the box. a) What condition must be satisfied by all the force acting on the box so that it remains at rest? Draw a ...
Friday, April 5, 2013 at 1:13am by /

NEWTON'S LAWS (FORCES)
Two boxes, A and B, are connected to each end of a light vertical rope, as shown in the following figure. A constant upward force 78.0N is applied to box A . Starting from rest, box B descends 12.3 m in 3.80s . The tension in the rope connecting the two boxes is 30.0 N What is...
Saturday, October 8, 2011 at 8:48pm by Mar

Science- Brady, 2 more!
#1. Which statement is true about the image below? 7 N -> |rectangle| <- 7 N •The forces acting on the rectangle are balanced. (?CORRECT?, MY ANSWER) •The forces acting on the rectangle are unbalanced. •The forces acting on the rectangle are unequal. •The forces acting ...
Monday, March 3, 2014 at 7:16pm by Mindy

Science- Brady, 2 more!
#1. Which statement is true about the image below? 7 N -> |rectangle| <- 7 N •The forces acting on the rectangle are balanced. (?CORRECT?, MY ANSWER) •The forces acting on the rectangle are unbalanced. •The forces acting on the rectangle are unequal. •The forces acting ...
Monday, March 3, 2014 at 7:51pm by Mindy

Physics
At the beginning of a new school term, a student moves a box of books by attaching a rope to the box and pulling with a force of 92 N at an angle of 30 as shown in the figure below. The box of books has a mass of 22.0 kg, and the coefficient of kinetic friction between the ...
Monday, November 5, 2012 at 2:48pm by B

physics
There are two forces acting on a box of golf balls, F1 and F2. The mass of the box is 0.750 kg. When the forces act in the same direction, they cause an acceleration of 0.450 m/s2. When they oppose one another, the box accelerates at 0.240 m/s2 in the direction of F2. (a) What...
Thursday, December 2, 2010 at 8:26pm by skhan

physics
A box and its contents have a total mass M = 9 kg. A string passes through a hole in the box, and you pull on the string with a constant force F = 77 N (this is in outer space; there are no other forces acting). (a) Initially the speed of the box was vi = 5 m/s. After the box ...
Wednesday, November 16, 2011 at 5:58pm by Anonymous

physics
a horizontal force of 8.0 N is used to pull a 20-N wooden box moving toward the right along a horizontal,wood surface,as shown.The diagram below shows the vector force acting representing the normal force acting on the box
Sunday, October 24, 2010 at 3:33pm by jobelle

physics
Two boxes are connected by a cord running over a pulley as shown in the picture below. Box I of mass 8.0 kg is on the top of the table; the coefficient of kinetic friction between box I and the table is 0.10. Box II has a mass of 15.0 kg. What is the tension in the cord? 35 N ...
Wednesday, February 5, 2014 at 6:10pm by ashley

woburn
We consider a man of mass m = 77 kg as shown in the figure below using crutches. The crutches each make an angle of č = 26 with the vertical. Half of the person's weight is supported by the crutches, the other half is supported by the normal forces acting on the soles of the ...
Monday, October 4, 2010 at 10:53pm by shariva

physics
Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 428 N and F2 = 358 N. (Assume up and to the right as positive directions.) a) What is the resultant of these two forces? magnitude and direction b) If the car has a mass of 3,...
Thursday, March 1, 2012 at 8:29pm by jill

Physics
We consider a man of mass m = 84 kg as shown in the figure below using crutches. The crutches each make an angle of θ = 26degrees with the vertical. Half of the person's weight is supported by the crutches, the other half is supported by the normal forces acting on the ...
Saturday, September 26, 2009 at 4:59pm by Matt

physics
Pleaseee help explain how to draw the free body diagrams for this problem!!! Two blocks with masses m1 = 10.9 kg and m2 = 79.3 kg, shown in the figure (in the figure the 79.3kg block(m2) is on a flat surface, the 10.9kg(m1) block is pinned against the block with the greater ...
Wednesday, November 9, 2011 at 8:32am by dave

Physics
In the figure below, a 3.7 kg box of running shoes slides on a horizontal frictionless table and collides with a 2.0 kg box of ballet slippers initially at rest on the edge of the table, at height h = 6.9 m. The speed of the 3.7 kg box is 5.0 m/s just before the collision. If ...
Wednesday, March 5, 2014 at 4:31pm by Anonymous

Physics - Multiple choice
An object is moving in a circle at a constant speed. From this you can be certain that a) there are at least two forces acting on the object, which balance each other. b) there are at least two forces acting on the object, which do not balance each other c) there must be more ...
Thursday, May 26, 2011 at 8:45pm by Casey

mechanics
Q2. A block of massmrests on the left edge of a block of larger massM. The coefficient of kinetic friction between the two blocks is , and the surface on which the larger block rests is frictionless. A constant horizontal force of magnitude F is applied to the block of mass m...
Thursday, December 9, 2010 at 3:45am by sana

Physics
Two blocks are arranged at the ends of a massless string as shown in the figure. The system starts from rest. When the 3.21 kg mass has fallen through 0.4 m, its downward speed is 1.27 m/s. The acceleration of gravity is 9.8 m/s2 . 3.21 kg (box hanging from table) 4.96 kg (box...
Sunday, February 20, 2011 at 10:00pm by CR

physics
The location of two particles at t = 0 is shown in the figure below. The particles are initially at rest. Each particle is subject to a constant force, as indicated in the figure. (Take m1 = 2.06 kg and m2 = 0.95 kg.) (a) Find the position of the center of mass at t = 0. xcm...
Thursday, February 10, 2011 at 4:25pm by Anonymous

physics
We consider a man of mass m = 85 kg as shown in the figure below using crutches. The crutches each make an angle of č = 26o with the vertical. Half of the person's weight is supported by the crutches, the other half is supported by the normal forces acting on the soles of the ...
Sunday, September 27, 2009 at 1:05pm by m2a

science
a 5.o kg book is sitting on a table. which describes the forces acting on the book? a)there are no forces acting on the book b)the net force on the book is zero Since the weight of the book is cancelled out by the support of the table. does that mean a) there are no forces ...
Saturday, August 7, 2010 at 5:15pm by nancy

physics
?????Two books of mass m1 = 6.9 kg and m2 = 3.8 kg are stacked on a table as shown in the figure below. Find the normal force acting between the table and the book on the bottom. SO g*m1+g*m2=104.86 N = mgcos(θ) N= (104.86)(9.81)Cos? Where do i find cos? IS THIS RIGHT?
Thursday, September 9, 2010 at 9:51pm by tommy

physics
The forces in the figure below are acting on a 2.1 kg object. Find the values of ax and ay, the x and y components of the acceleration. i.imgur. com/nNz9m. png this is one of the last problems on my homework that i just do not understand.. can someone please explain it to me? ...
Friday, September 28, 2012 at 9:48pm by kev

physics
Two blocks with masses m1 = 1.10 kg and m2 = 3.10 kg are connected by a massless string, as shown in the Figure (the figure shows m1 on top of a box and m2 hanging off the side of the box). They are released from rest. The coefficent of kinetic friction between the upper block...
Tuesday, February 28, 2012 at 3:53pm by meyer

physics
Two blocks with masses m1 = 1.10 kg and m2 = 3.10 kg are connected by a massless string, as shown in the Figure (the figure shows m1 on top of a box and m2 hanging off the side of the box). They are released from rest. The coefficent of kinetic friction between the upper block...
Tuesday, February 28, 2012 at 3:55pm by meyer

AP Physics
While two forces act on it, a particle is to move at the constant velocity v = (3 m/s) i - (4 m/s) j. One of the forces is F1 = (2 N) i + (- 6 N) j. What is the other force? ( _____ N) i + ( _____ N) j Only two horizontal forces act on a 3.0 kg body that can move over a ...
Thursday, November 13, 2008 at 8:39pm by J

Physics
Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 402 N and F2 = 364 N. (Assume up and to the right as positive directions.)(F1 is 10degrees and F2 is 30degrees) (a) What is the resultant of these two forces? magnitude ...
Tuesday, May 3, 2011 at 5:00pm by Dani

physics
Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 443 N and F2 = 372 N. (Assume up and to the right as positive directions.) (a) What is the resultant of these two forces? magnitude N direction ° to the right of the forward ...
Saturday, September 29, 2012 at 3:30pm by Anonymous

physic
Hi!Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 439 N(10degree) and F2 = 365 N(30degree). (Assume up and to the right as positive directions.) (a) What is the resultant of these two forces? magnitude____N direction_____...
Monday, October 12, 2009 at 2:07am by Chan

physics
A 2.00-m-long diving board of mass 12.0 kg is 3.00 m above the water. It has two attachments holding it in place. One is located at the very back end of the board, and the other is 25.0 cm away from that end. 1-Assuming that the board has uniform density, find the forces ...
Wednesday, April 24, 2013 at 10:15pm by NaNa

Physics
A sturdy wooden board, 4.0 meters long and with a mass of 32 kg, rests on two supports (labeled L and R) placed 1.2 m from each end as shown in the figure below. (a) Suppose that a man with a mass of 60 kg stands at the center of the board (point a). What are the upward forces...
Tuesday, November 16, 2010 at 4:52pm by Sam

Physics
Two boxes, mass 4.0 kg and 5.0 kg are set next one another on a frictionless surface. The first box is pushed with a force of 35 N. What normal forces does the second box exert on the first box during this process? (ans: 19 N) How do you do this question? Thanks.
Sunday, June 17, 2012 at 1:51am by anonymous

physics
A box of box is at rest on the floor. Identify the forces acting on the box by drawing a free-body diagram.
Tuesday, October 4, 2011 at 12:49pm by yvone.

physic
Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 439 N and F2 = 365 N. (Assume up and to the right as positive directions.) (a) What is the resultant of these two forces? magnitude___ N direction ____° to the right of the ...
Thursday, October 15, 2009 at 4:49am by Chan

Phys.
There should be a figure to go with this question. If there are no other forces acting other than the spring, and the center of mass of the two carts remains fixed, then a) Momentum of cart A = 10 kg*5 m/s (east) = 50 kg m/s east-50 kg m/s The minus sign means west. (c) Cart B...
Thursday, June 5, 2008 at 10:43am by drwls

Forces w/ tension
Assume that three blocks portrayed below move on a frictionless surface and that a 42 N force acts on the 3.0 kg block. Determine (a) the acecleration given the system, (b) the tension inthe cord connecting the 3.0kg and the 1.0 kg blocks, and (c) the force exerted by the 1....
Thursday, December 7, 2006 at 7:46pm by Armando

physics
There are two horizontal forces on the 2.0 kg box in the overhead view of Fig. 5-39 but only one (of magnitude F1 = 20 N) is shown. The box moves along the x axis. For each of the following values for the acceleration ax of the box, find the second force in unit-vector ...
Sunday, February 21, 2010 at 3:15pm by beav

Physics-forces
1. a force of 250N is used to push a heavy box down the street. If the force of friction between the box and the street is 195N and the box has a mass of 60kg, what is the accleration of the box? 2.a force of 40N is applied to a 6kg box of books. If the frictional force acting...
Sunday, January 5, 2014 at 10:46pm by Jessie

science
Try thinking about what DrBob222 said. Compare the effects of two forces acting in the same direction in contrast to two forces acting in the opposite direction. Then you answer whether it is true or false.
Monday, November 2, 2009 at 5:56pm by PsyDAG

Physics
Three forces, F1 = 9.2 N, F2 = 7.8 N and F3 = 8.3 N are acting on a small box of mass 47.0 kg. If the box is moving in the direction of F2 at constant speed, what is the magnitude of the combination of F2 and F3
Saturday, March 8, 2014 at 10:00am by Yarielis

Physics
A box of mass m=1.5 kg is attached to a spring with force constant k=12 and suspended on a frictionless incline that makes a 30 degree angle with respect to the horizontal. With the spring in its unstretched length, the box is released from rest at x=0. The box slides down the...
Tuesday, March 27, 2012 at 7:02pm by Jake

Physics
Two men pull a 31-kg box with forces 9.7 N and 7.6 N. Find the resultant scceleration of the box.
Saturday, October 16, 2010 at 8:35pm by Emma

physics
In the figure below, a constant force of magnitude 82.0 N is applied to a 2.55 kg shoe box at angle = 64.5°, causing the box to move up a frictionless ramp at constant speed. How much work is done on the box by a when the box has moved through vertical distance h = 0.180 m?
Sunday, October 14, 2012 at 4:15pm by Anonymous

mechanics 12
A 1.8 kg breadbox on a frictionless incline of angle θ = 37° is connected, by a cord that runs over a pulley, to a light spring of spring constant k = 120 N/m, as shown in the figure below. The box is released from rest when the spring is unstretched. Assume that the ...
Friday, November 2, 2012 at 5:24am by kunal

physics
Two particles of mass m1 = 1.0 kg and m2 = 2.6 kg are traveling with velocities v1 = 4.9, and v2 = 2.5 as shown in the figure below. What is the total momentum of this system? Be sure to give the magnitude and direction of the momentum. magnitude 1 kg · m/s direction 2° above ...
Tuesday, November 9, 2010 at 10:34pm by cody

physics
Two particles of mass m1 = 1.0 kg and m2 = 2.6 kg are traveling with velocities v1 = 4.9, and v2 = 2.5 as shown in the figure below. What is the total momentum of this system? Be sure to give the magnitude and direction of the momentum. magnitude 1 kg · m/s direction 2° above...
Wednesday, November 10, 2010 at 9:35am by cody

Physics
Only two horizontal forces act on a 9.1 kg body. One force is 5.3 N, acting due east, and the other is 1.6 N, acting 56° north of west. What is the magnitude of the body's acceleration?
Sunday, January 30, 2011 at 11:56am by Ethan

Spring Physics
A 2.0 kg box rests on a plank that is inclined at an angle of 65° above the horizontal. The upper end of the box is attached to a spring with a force constant of 19 N/m, as shown in Figure 6-32. If the coefficient of static friction between the box and the plank is 0.21, what ...
Wednesday, November 4, 2009 at 6:13pm by Stefanie

phy
Two constant forces act on an object of mass m = 4.50 kg object moving in the xy plane as shown in the figure below. Force 1 is 21.0 N at 35.0°, and force 2 is 47.0 N at 150°. At time t = 0, the object is at the origin and has velocity (3.70 + 2.25) m/s. (a) Express the two ...
Tuesday, November 20, 2012 at 6:44pm by patel

university of redlands
Two blocks connected by a string are on a horizontal frictionless surface. The blocks are connected to a hanging weight by means of a string that passes over a pulley as shown in the figure below, where m1 = 1.85 kg, m2 = 2.80 kg, and m3 = 5.05 kg.
Monday, September 24, 2012 at 10:54pm by Anonymous

physics
Two boxes, A and B, are connected to each end of a light vertical rope, as shown in the following figure. A constant upward force 78.0N is applied to box A . Starting from rest, box B descends 12.3 m in 3.80s . The tension in the rope connecting the two boxes is 30.0 N What is...
Saturday, October 8, 2011 at 8:41pm by Mar

Physics
The helicopter view in the figure below shows two people pulling on a stubborn mule. Assume that F1 is 130 N, and F2 is 65 N. The forces are measured in units of newtons (N). (a) Find the single force that is equivalent to the two forces shown. In both magnitude and direction...
Wednesday, May 18, 2011 at 2:24pm by anne

Physics
Two forces are the only forces acting on a 7.8 kg object which moves with an accelera- tion of 4.5 m/s2 in the positive y direction. One of the forces acts in the positive x direc- tion and has a magnitude of 14 N. What is the magnitude of the other force f2? Answer in units of N
Sunday, October 14, 2012 at 5:55pm by Jessica

physics
Two forces are the only forces acting on a 2.8 kg object which moves with an accelera- tion of 2.5 m/s2 in the positive y direction. One of the forces acts in the positive x direc- tion and has a magnitude of 12 N. What is the magnitude of the other force f2? Answer in units
Wednesday, October 17, 2012 at 9:36pm by josi

Physics Please Help
Two forces, F1 and F2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 69.0 N and F2 = 24.5 N. What is the horizontal acceleration (magnitude and direction) of the block? F1 is pointing at the top left corner of the box forming a 65 degree ...
Saturday, January 21, 2012 at 12:23pm by Nilan

Physics - HELP please
A 24.0 kg box (m1) rests on a table.(b) A 13.0 kg box (m2) is placed on top of the 24.0 kg box, as shown in Fig. 4-35. Determine the normal force that the table exerts on the 24.0 kg box. Determine the normal force that the 24.0 kg box exerts on the 13.0 kg box.
Thursday, October 8, 2009 at 9:31pm by DJ

Physics - HELP please
A 24.0 kg box (m1) rests on a table.(b) A 13.0 kg box (m2) is placed on top of the 24.0 kg box, as shown in Fig. 4-35. Determine the normal force that the table exerts on the 24.0 kg box. Determine the normal force that the 24.0 kg box exerts on the 13.0 kg box.
Thursday, October 8, 2009 at 9:31pm by DJ

physic
Find the acceleration reached by each of the two objects shown in figure below if the coefficient of kinetic friction between the 7.00 kg object and the plane is 0.270.
Friday, October 16, 2009 at 4:42am by Chan

Physics
To move a box you pull on the handle as indicated in the diagram shown below with a constant force F. The mass of the box is m = 8 kg and the angle č = 22°. What is the magnitude of the normal force?
Tuesday, November 6, 2012 at 7:16pm by JennaPoop

physics
Consider the system shown, with m1 = 2.0 kg, m2 = 3.0 kg, and á = 30o. The force F acts horizontally to the left and the kinetic coefficient of friction between m1 and the incline is ěk = 0.40. The mass m2 is moving up at a constant speed. (a) What is the magnitude of F? (b) ...
Tuesday, February 19, 2013 at 9:15am by Stehlin

physics
Which will result in the greatest acceleration? 56 N action on a 1-kg box 56 N acting on a 2-kg bag 23 N acting on a -kg bag 23 N acting on a 5-kg bag
Sunday, March 29, 2009 at 11:02pm by Tiara

science
a 5.o kg book is sitting on a table. which describes the forces acting on the book? a)there are no forces acting on the book b)the net force on the book is zero
Monday, July 26, 2010 at 3:16pm by Anonymous

University Physics
Here's a free-body diagram indicating all forces acting on the box. http://img142.imageshack.us/img142/7156/leahi.jpg Summing forces in the x-direction will let you solve for the value of the normal reaction, N. Using N and the static friction coefficient (since the box has ...
Monday, September 28, 2009 at 12:47pm by MathMate

physical
Only two horizontal forces act on a 3.0 kg body that can move over a frictionless floor. One force is 9.0 N, acting due east, and the other is 6.9 N, acting 54° north of west. What is the magnitude of the body's acceleration?
Monday, September 20, 2010 at 2:19am by jindi

physics
Two forces act on an object. The magnitude of the net force acting on the object a. equals the sum of the magnitude of the two forces b. equals the difference in the magnitudes of the two forces c. equals the average of the two forces d. cannot be determined from the given ...
Wednesday, February 6, 2013 at 11:29am by Carolyn

physics
A box of mass 65 kg hangs motionless from two ropes, as shown in the diagram above. The angle is 40 degrees. Choose the box as the system. The x-axis runs to the right, the y-axis runs up, and the z-axis is out of the page. What is the y-component of the gravitational force ...
Monday, January 17, 2011 at 2:01pm by freddy

physics
In the figure, a 2.4 kg box of running shoes slides on a horizontal frictionless table and collides with a 1.4 kg box of ballet slippers initially at rest on the edge of the table, at height h = 0.75 m. The speed of the 2.4 kg box is 4.6 m/s just before the collision. If the ...
Tuesday, November 5, 2013 at 4:12am by gy

physics
Consider the system shown, with m1 = 2.0 kg, m2 = 3.0 kg, and α = 30o. The force F acts horizontally to the left and the kinetic coefficient of friction between m1 and the incline is μk = 0.40. The mass m2 is moving up at a constant speed. (a) What is the magnitude ...
Tuesday, February 19, 2013 at 12:24pm by Alli

Physics
Two forces are applied to a car in an effort to accelerate it, as shown below. The first force, F1 = 364 N, is applied at an angle α = 33° to the forward dashed line. The second force, F2 = 522 N, is applied at an angle β = 11° to the forward dashed line. What is the...
Saturday, January 12, 2013 at 8:50pm by Dave Lynn

physics
A uniform beam of length 7.60 m and weight 4.30 102 N is carried by two workers, Sam and Joe, as shown in the figure below. (a) Determine the forces that each person exerts on the beam. F_Sam = ___ N F_Joe = ___ N
Sunday, December 16, 2012 at 2:52pm by anonymous

Physics
*I am lost on a bunch of different problems, and this is one of them. Please note that I am NOT asking for final answers, just some guidance so that I can figure out how to do the problem!!! I know that a lot of times on this site it is commented that we are fishing for ...
Sunday, October 8, 2006 at 3:32pm by Justin

Phy I
Two forces, 1 and 2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 47.5 N and F2 = 34.5 N. What is the horizontal acceleration (magnitude and direction) of the block?
Wednesday, October 3, 2012 at 12:41pm by Don

physics
Two blocks of masses M and 3M are placed on a horizontal, frictionless surface. A light spring is attached to one of them, and the blocks are pushed together with the spring between them as shown in the figure below. A cord initially holding the blocks together is burned; ...
Sunday, January 23, 2011 at 8:26pm by Jackie

physics
Two blocks of masses M and 3M are placed on a horizontal, frictionless surface. A light spring is attached to one of them, and the blocks are pushed together with the spring between them as shown in the figure below. A cord initially holding the blocks together is burned; ...
Sunday, January 23, 2011 at 8:20pm by Jackie

Physics
The two ropes attached to the hook in the figure below are pulled on with forces of F1 = 150 N and F2 = 300 N. What size single force acting in what direction would produce the same effect? F1 45 Degrees F2 30 Degrees
Thursday, December 29, 2011 at 10:18pm by Mike

Physics
Two forces, 1 and 2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 58.0 N and F2 = 26.5 N. What is the horizontal acceleration (magnitude and direction) of the block?
Wednesday, June 27, 2012 at 4:39pm by Emily

Physics
Two forces, 1 and 2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 47.5 N and F2 = 34.5 N. What is the horizontal acceleration (magnitude and direction) of the block?
Wednesday, October 3, 2012 at 11:18pm by Anonymous

mechanics
Two planets, X and Y , travel counterclockwise in circular orbits about a star, as shown in figure below. The radii of their orbits are in the ratio 3 : 1. At some time, they are aligned as in the figure, making a straight line with the star. During the next five years, the ...
Thursday, December 9, 2010 at 3:46am by sana

Physics
Two forces F1 = -7.50i + 6.00j and F2 = 8.40i + 7.50j are acting on a mass of m = 6.20 kg. The forces are measured in newtons. What is the magnitude of the object's acceleration? Can you show me step by step? I'm trying to study for an exam.
Tuesday, June 18, 2013 at 3:14pm by Sam Cole

physics
In the figure below, a box of Cheerios (mass mC = 1.0 kg) and a box of Wheaties (mass mW = 3.5 kg) are accelerated across a horizontal surface by a horizontal force applied to the Cheerios box. The magnitude of the frictional force on the Cheerios box is 2.0 N, and the ...
Wednesday, September 23, 2009 at 9:53pm by Nick

physics
In the figure below, a box of Cheerios (mass mC = 0.8 kg) and a box of Wheaties (mass mW = 2.5 kg) are accelerated across a horizontal surface by a horizontal force applied to the Cheerios box. The magnitude of the frictional force on the Cheerios box is 2.0 N, and the ...
Monday, April 26, 2010 at 8:04pm by bob

physics
In the figure below, a box of Cheerios (mass mC = 0.8 kg) and a box of Wheaties (mass mW = 2.5 kg) are accelerated across a horizontal surface by a horizontal force applied to the Cheerios box. The magnitude of the frictional force on the Cheerios box is 2.0 N, and the ...
Monday, April 26, 2010 at 8:04pm by Darla

PHYSICSSSSS helpppp please
Two boxes with different masses M1 = 1.8 kg and M2 = 2.6 kg are tied together on a frictionless ramp surface which makes an angle θ = 21° with the horizontal (see the figure below). What is the tension in the rope connecting the two boxes? N What is the tension in the ...
Sunday, February 12, 2012 at 2:03pm by Anonymous

Physics
Suppose two boxes on a frictionless table are connected by a heavy cord of mass 1.0 kg. Calculate the acceleration (magnitude) of each box and the tension (magnitude) at each end of the cored, using the free-body diagrams shown in Figure 4-53. Assume FP = 44.0 N, ma = 11.0 kg...
Thursday, October 13, 2011 at 10:27pm by Sydney

PHYSICS
The acceleration of the center-of-mass point of a system of particles depends on: a) all the forces acting on the system b) only the external forces acting on the system c) only the internal forces acting on the system
Monday, March 19, 2007 at 3:59pm by terrence

Physics
Two forces are applied to a car in an effort to accelerate it, as shown below. The first force, F1 = 364 N, is applied at an angle α = 33° to the forward dashed line. The second force, F2 = 522 N, is applied at an angle β = 11° to the forward dashed line. What is the...
Sunday, January 13, 2013 at 8:47pm by Davis Parker

physics
Two boxes with different masses M1 = 1.1 kg and M2 = 3.0 kg are tied together on a frictionless ramp surface which makes an angle θ = 27° with the horizontal (see the figure below). What is the tension in the rope connecting the two boxes? What is the tension in the rope ...
Thursday, February 17, 2011 at 10:24am by melad

PHYSICSSS
Two boxes with different masses M1 = 1.8 kg and M2 = 2.6 kg are tied together on a frictionless ramp surface which makes an angle θ = 21° with the horizontal (see the figure below). What is the tension in the rope connecting the two boxes? N What is the tension in the ...
Saturday, February 11, 2012 at 11:37pm by Anonymous

PHYSICSSS
Two boxes with different masses M1 = 1.8 kg and M2 = 2.6 kg are tied together on a frictionless ramp surface which makes an angle θ = 21° with the horizontal (see the figure below). What is the tension in the rope connecting the two boxes? N What is the tension in the ...
Sunday, February 12, 2012 at 12:59am by Anonymous

Physics
A block of mass m1 = 22.0 kg is connected to a block of mass m2 = 40.0 kg by a massless string that passes over a light, frictionless pulley. The 40.0-kg block is connected to a spring that has negligible mass and a force constant of k = 260 N/m as shown in the figure below. ...
Tuesday, March 12, 2013 at 1:53am by Anonymous

physics
The launching mechanism of a toy gun consists of a spring of unknown spring constant, as shown in the figure below. If the spring is compressed a distance of 0.160 m and the gun fired vertically as shown, the gun can launch a 21.0-g projectile from rest to a maximum height of ...
Thursday, March 21, 2013 at 12:43pm by Anonymous

physics
A cylinder that has a 40.0 cm radius and is 50.0 cm deep is filled with air at 20.0°C and 1.00 atm shown in figure (a). A 25.0 kg piston is now lowered into the cylinder, compressing the air trapped inside shown in figure (b). Finally, a 71.0 kg man stands on the piston, ...
Tuesday, February 15, 2011 at 10:51pm by loli

Physics
There are two forces on the 2.36 kg box in the overhead view of Fig. 5-31 but only one is shown. For F1 = 18.6 N, a = 11.4 m/s2, and θ = 26.7°, find the second force (a) in unit-vector notation and as (b) a magnitude and (c) a direction. (State the direction as a negative...
Wednesday, September 28, 2011 at 4:28pm by Anonymous

Physics
There are two forces on the 2.36 kg box in the overhead view of Fig. 5-31 but only one is shown. For F1 = 18.6 N, a = 11.4 m/s2, and θ = 26.7°, find the second force (a) in unit-vector notation and as (b) a magnitude and (c) a direction. (State the direction as a negative...
Wednesday, September 28, 2011 at 5:10pm by Anonymous

physics
Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 10 kg and m2 = 19 kg. A force of 46 N is applied to the 19 kg box. Repeat the problem for the case where the coefficient of kinetic friction between each...
Thursday, October 4, 2012 at 11:57pm by Anonymous

physics
A 21.6-kg box rests on a table. A 19.3-kg box is placed on top of the first box, as shown. Determine the total force in N that the boxes exert on the table. FIND f=ma for both and add them up? a=9.8 gravity rite?
Thursday, October 1, 2009 at 5:25pm by Lisa

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