Number of results: 37,523
physics
A person throws a 2.50 lb stone into the air with an initial upward speed of 15.0 ft/s. Part A- Make a free-body diagram of the forces for this stone after it is free of the person's hand and is traveling upward Part B - Make a free-body diagram of the forces for this ...
Thursday, February 2, 2012 at 4:51pm by sam
physics
A uniform 250 N ladder rests against a perfectly smooth wall, making a 35 degree angle with the wall. (a)Draw a free body diagram of the ladder. (b) Find the normal forces that the wall and the floor exert on the ladder. (c) What is the friction force on the ladder at the ...
Monday, November 9, 2009 at 4:02pm by collegekid
Physics
Ok I guess the reason why I do not know how to do this problem is because I can not draw the proper free-body diagram... Three blocks on a frictionless horizontal surface are in contact with each other as shown in Fig. 4-5. A force F is applied to block 1 (mass m1). (a) Draw a...
Sunday, July 12, 2009 at 6:48pm by Physics
PHYSICS
#1.) If the force of gravity on a human is 539 N determine the mass of the human. #2.) Draw a free body diagram for the following situation: a.) A 0.15 kg running shoe is pushed to the right, with a constant velocity, across a wet concrete floor with an applied force of 3.5 N...
Sunday, February 3, 2013 at 4:40pm by AMANDAAA
Physics
m*a = Liftforce - m*g In this case m is the combined mass of the helicopter and frame, so 9000*0.9 = Liftforce - 9000*g Solve for lift force B) Drawing a free body diagram on the frame: T - mg = m*a T - 1100*9.8 = 1100*0.9 Solve for T C) Drawing a free body diagram on the ...
Tuesday, October 23, 2012 at 4:55am by Jennifer
Physics
FBD..free body diagram.
Sunday, July 12, 2009 at 12:06pm by bobpursley
Physics
An astronaut is inside a rocket that is blasting off vertically from the launch pad. You want this rocket to reach the speed of sound (331 m/s) as quickly as possible, but you also do not want the astronaut to black out. Medical tests have shown that astronauts are in danger ...
Wednesday, February 22, 2012 at 6:33pm by Jen
physical
A crate of mass 20kg is pulled by a force of 100N at an angle 30 above the horizon an friction force of 20N develops between the crate and surface draw a force diagram and free body diagram
Wednesday, January 25, 2012 at 9:58am by Clothilda
physics
a free body diagram of a boy sliding down a hill on a sled
Tuesday, November 9, 2010 at 12:06am by kayla
Physics
Draw a free body diagram. Then perform a static force balance.
Monday, March 8, 2010 at 5:47pm by drwls
physics
a 70 kg box is pulled by a rope that exerts a 400 N force at angle of 30 degrees to the horizontal the leading coefficient of kinetic friction id 0.50. draw a diagram. draw a free body diagram . find the acceleration of the box.
Tuesday, November 13, 2012 at 9:57pm by tionne
PHYSICS
Two crates , one with mass 4.00 kg and the other with 6.00 kg, sit on the frictionless surface of a frozen pond, connected by a light rope. Awoman wearing golf shoes(so she can get traction on the ice)pulls horizontally on the 6.00-kg crate with a force F that gives the crate ...
Sunday, March 4, 2012 at 1:36pm by evelyn
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 ...
Thursday, December 9, 2010 at 3:45am by sana
physics
A 65 kg skier speeds down a trail, as shown in Figure 5-24. The surface is smooth and inclined at an angle of θ = 20° with the horizontal. (a) Draw a free-body diagram for the skier. (Do this on paper. Your instructor may ask you to turn in this diagram.) (b) ...
Wednesday, January 13, 2010 at 2:51pm by amy
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
a hockey puck is sliding freely across a pound of friction ice. What is the free-body diagram?
Wednesday, September 21, 2011 at 8:48pm by adilene
PHYSICS!!
free body diagram of a 4 kg bucket accelerating downward 2 meters per second squared
Monday, March 14, 2011 at 2:24pm by chrissy
Calculus - free body diagram
A water tank has the shape of an inverted right circular cone whose base radius is equal to half its height. Water is being pumped in at 2 cubic meters per second. How fast is the water rising when the water is 3 meters deep?
Sunday, October 7, 2012 at 10:29pm by Lizzy
PHYSICS HELP!!
3.) Draw a free body diagram of a boat being pulled at an accelerated rated by a truck down a highway.
Tuesday, February 5, 2013 at 7:37pm by AMANDA
Physics
A = 145 rock is hoisted upward with an acceleration of 1.46 by a vertical chain of negligible weight. What is the free body diagram?
Monday, February 13, 2012 at 6:38pm by Ruth
PHYSICS Gr.11
i am completely confued :( what are balanced and unbalanced forces? How can u tell by looking at a free body diagram and/or a problem? thanks
Saturday, April 10, 2010 at 12:50am by NINI
Physics
I've asked a similar qustion earlier and now I think I have drawn the correct free body diagram and go about solving the problem. The only thing is I do not know how to solve it. a block (mass m1) on a smooth horizontal surface, connected by a thin cord that passes over a ...
Tuesday, July 14, 2009 at 1:26pm by Physics
Physics
How many vectors would be drawn on the free body diagram of each link and which direction would they point?
Tuesday, September 21, 2010 at 12:06pm by Tyrone
Physics
Ok I guess I'm drawing the free body diagram wrong how do I draw it because this is not making much sense to me
Sunday, July 12, 2009 at 4:24pm by Physics
Science
i posted this earlier, but no one answered. so i'll try again. Can you check my work please? true/false 1.) force is a scalar quantity: *FALSE 2.) the object on which a force acts is called the system: *TRUE 3.)The specific, indentifiable cause of a force is called the ...
Tuesday, December 11, 2012 at 6:28pm by Gavin
Physics
A free body diagram of forces acting on the ball should tell you that Tan 35 = (mg)/(mv^2/R) = R g/ v^2 The mass m cancels out. Solve for v.
Thursday, May 16, 2013 at 10:50pm by drwls
Physics-please check my work
Can you check my work please? true/false 1.) force is a scalar quantity: *FALSE 2.) the object on which a force acts is called the system: *TRUE 3.)The specific, indentifiable cause of a force is called the system: *FALSE 4.) A force can not exist without an agent and a system...
Tuesday, December 11, 2012 at 2:57pm by Gavin
Physic
The free-body diagram in the drawing shows the forces that act on a thin rod. The three forces are drawn to scale and lie in the plane of the screen. Are these forces sufficient to keep the rod in equilibrium, or are additional forces necessary f3 ' ' ' f1 ------&...
Monday, May 7, 2007 at 12:37pm by Panda
physics
You have the good approach in isolating the free-body diagram, and taking advantage of symmetry. The answer is correct. Good work!
Sunday, September 27, 2009 at 5:43pm by MathMate
physics
The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration (a) What exerts the force in the direction of the ...
Tuesday, November 30, 2010 at 9:21pm by max
physics
The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration. (a) What exerts the force in the direction of the ...
Tuesday, November 30, 2010 at 3:25pm by max
Science (Physics)...........F=ma and tension.
2 crates shown in the figure below are on a horizontal frictionless surface. The woman is wearing golf shoes for traction as she applies a horizontal force of F= 50.0 N to the 6.00kg crate. The ropes are of negligible mass. Smaller box weighs 4.00kg a) draw a free body diagram...
Saturday, September 29, 2007 at 9:14pm by ~christina~
11th grade
The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration (a) What exerts the force in the direction of the ...
Tuesday, November 30, 2010 at 7:16pm by max
math
Draw a free body diagram and set the net vertical force equal to zero. The answer will be a multiple of M g. You will need to compute the angle that the sides of the clothesline devate from horizontal.
Tuesday, January 27, 2009 at 11:54pm by drwls
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.
Physics
A crystal chandelier hangs in a fancy ballroom. Draw a free body diagram for the chandelier, including all vertical forcs affecting it. Please help :)
Saturday, February 4, 2012 at 11:51pm by Tracy
SCIENCE
Draw a free body diagram. Apply a vertical force balance. If the cable is at the breaking point tension, 2*1200*sin7 = M*g Solve for M, in kg M = 30 kg
Wednesday, July 27, 2011 at 10:26am by drwls
Physics
Three objects are connected on an inclined table as shown in the diagram below. The objects have masses 8.0 kg, 4.0 kg and 2.0 kg as shown, and the pulleys are frictionless. The tabletop is rough, with a coefficient of kinetic friction of 0.47, and makes an angle of 20.0° ...
Saturday, May 18, 2013 at 9:29pm by Joeline
Calculus: free body diagram--PLZ HELP!=)
Grain is being poured through a chute at a rate of 8 cubic feet per minute and forms a conical pile. The radius of the bottom of the pile is always half of the heightof the pile. How fast is the circumference of the base increasing when the pile is 10 feet high? ..I keep ...
Monday, October 8, 2012 at 12:27am by lizzy
Physics
A chain composed of four identical links is suspended by a rope and does not move. How many force vectors would be drawn on the free body diagram of each link and which direction would they point?
Tuesday, September 21, 2010 at 2:54pm by Ignatius
Physics HELPPP PLEASEEE
Three objects are connected on an inclined table as shown in the diagram below. The objects have masses 8.0 kg, 4.0 kg and 2.0 kg as shown, and the pulleys are frictionless. The tabletop is rough, with a coefficient of kinetic friction of 0.47, and makes an angle of 20.0° ...
Saturday, May 18, 2013 at 9:29pm by Joeline
physics
A person throws a 2.5 lb stone into the air with an initial upward speed of 15 ft/s. Make a free-body diagram for this stone (a) after it is free of the person’s hand and is traveling upward, (b) at its highest point, (c) when it is traveling down ward, and (d) while it ...
Wednesday, February 1, 2012 at 1:24pm by joe
Calculus - free body diagram
radius = (1/2)h r = (1/2)h r = h/2 V = (1/3)πr^2 h = (1/3)π(h^2/4)h = (1/12)πh^3 dV/dt = (1/4)πh^2 dh/dt when h = 3, dV/dt = 2 2 = (1/4)π(9) dh/dt dh/dt = 8/(9π) m/s Check my calculations, I did not write them out first.
Sunday, October 7, 2012 at 10:29pm by Reiny
science
Draw a free body diagram to show the relationship of forces on a 200 kg boulder resting on a 15degree incline. Include the magnitude of the force applied by an aadvark as it holds the boulder in place.
Thursday, May 3, 2012 at 4:34pm by mona
statics
One force down at each end, and a force up at the pivot equal to the sum of the two end forces should be all you need in the free body diagram.
Saturday, September 20, 2008 at 1:47pm by drwls
Physics
Draw the free body diagram and use: mg=N(μ1+μ2) m=mass of climber g=acceleration du to gravity N=minimum normal force, N μ1 and μ2 = coeff. of friction.
Tuesday, October 13, 2009 at 6:35pm by MathMate
physics
Draw a free-body diagram of the trap door and put in all the forces in the proper directions. Since the hinge reaction is usually not known, you can eliminate it by taking moments about the hinge. Post if you can use more help.
Friday, June 22, 2012 at 2:03pm by MathMate
FREE BODY DIAGRAM calculus
A car is traveling north towards an intersection at 60mph at the same time a truck is headed east toward the same intersection at 45mph. Find the rate of change of the distance between the car and truck when the car is 3 miles south of the intersection and the truck is 4 miles...
Sunday, October 7, 2012 at 11:57pm by erica
Physics
Continue...previous question b)what normal force would the car experience on the top of a circular hill of radius 20.0m when it reaches the near horizontal section of the vertical curve with a speed of 12.0 m/s ? Draw app. free body diagram.
Monday, October 29, 2007 at 3:17pm by johnny
Physics
Hello. I'm having difficulty with this question In the diagram, the coefficient of kinetic friction between the 2.00 kg and the 3.00 kg blocks is 0.300. The horizontal surface and the pulleys are frictionless, and the masses are released from rest. (a) Draw a free body ...
Saturday, October 20, 2012 at 10:03am by Priya
Electronic
If one body is positively charged and another body is negatively charged, will the free electrons tend to move from the negatively charged body to the positiovely charged body? yes
Wednesday, September 27, 2006 at 10:35am by Ed
Physics
Measuring coefficients of friction. A coin is placed near one edge of a book lying on a table, and that edge of the book is lifted until the coin just slips down the incline. The angle of the incline Theta C, called the critical angle, is measured. (a) Draw a free body diagram...
Sunday, September 27, 2009 at 2:02pm by Mandy
physics--
Draw a free body diagram. The horizontal component of the string tension force provides the acceleration (28/6 = 4.667 m/s^2) , and the vertical component supports the weight. The mass will cancel out when you get the tangent of the angle of the string, so you do not need to ...
Sunday, April 5, 2009 at 12:48am by drwls
physics
A passenger with mass of 80 kg stands on the floor of an elevator of mass 250 kg as it accelerates upward with an acceleration of 3 m/s^2. Determine the tension in the elevator cable. Draw a free-body diagram.
Friday, September 30, 2011 at 1:32am by hello
physics
A train travels at a constant speed around a curve of radius 225 m. A ceiling lamp at the end of a light cord swings out to an angle of 20.0º throughout the turn. Draw a free body diagram? What is the speed of the train?
Tuesday, November 20, 2012 at 8:23pm by Courtney
physics
An amusement park ride consists of a large vertical cylinder that spins about Figure P6.61 its axis fast enough such that any person inside is held up against the wall persons who walk around on the inner wall of the outer rim. Find the rate of rotation of the wheel (in ...
Saturday, October 1, 2011 at 9:07pm by Anonymous
physical science
6. If one body is positively charged and another body is negatively charged, free electrons tend to [A. move from the negatively charged body to the positively charged body.] B. remain in the positively charged body. C. remain in the negatively charged body. D. move from the ...
Tuesday, March 6, 2012 at 6:22pm by jake
Physics
A box is being moved with a velocity (v) by a force (p)(parallel to v) along a level horizontal floor. The normal force is (Fn), the kinetic frictional force is (fk), and the weight of the is box is (mg). Draw a free-body diagram of this situation
Monday, February 13, 2012 at 11:02pm by Amy
Physics
When a patient’s injured neck is healing, it is often desirable to prevent the weight of the head from pushing down on the neck. This can be accomplished with the system of pulleys shown in the figure. The pulleys are all small and extremely light in weight and have no ...
Wednesday, February 23, 2011 at 9:32pm by Carl
Physics/Math
An elevator weighing 2.00 x 105 N is supported by a steel cable. A free-body diagram of the elevator is shown below. What is the tension in the cable when the elevator is accelerated upward at a rate of 3.00 m/s2?
Monday, February 12, 2007 at 3:40am by Sabrina
physics
1. Fnet=ma=Fs Fnet=ma=usFn Fnet=ma=usmg mass canceles a=usg 2. not a very good visual description, cant figure out what you mean. draw pictures. use a free body diagram
Monday, May 7, 2012 at 9:26pm by Andrew
Engineering Fund.
A large box whose mass is 19.0 kg rests on a frictionless floor. A mover pushes on the box with a force of 235 N at an angle 34.8° below the horizontal. Draw the box's free-body diagram and use it to determine the acceleration of the box. m/s2
Thursday, October 4, 2012 at 5:38pm by josephz
physics
There is no way we can proceed to answer that question without the figure mentioned. All I can advise you to do is to draw a free body diagram showing all the forces, the directions and points where they are applied, and set the vector sum of all forces and moments equal to ...
Saturday, April 12, 2008 at 3:02pm by drwls
calculus
Suppose that the velocity of a falling body is v = k/s (k a constant) at the instant the body has fallen s meters from its starting point. Find the body's acceleration as a function of s.
Sunday, July 4, 2010 at 5:35pm by theophilus
physics
a car mass 100kg is moving up on incline of 15 degrees with horizontal.the enginr of the car applies a force of 5000n the confficient of kinetic friction between the surface of th tyic and road is 0,2.draw a free body diagram showing all the forces actin on the car
Wednesday, January 25, 2012 at 1:31am by nicholas
physics
The free-body diagram in the drawing shows the forces that act on a thin rod. The three forces are drawn to scale and lie in the plane of the screen. Are these forces sufficient to keep the rod in equilibrium, or are additional forces necessary I assume this is what I just ...
Monday, May 7, 2007 at 12:29pm by Panda
physics
Some sliding rocks approach the base of a hill with a speed of 16.0 m/s. The hill rises at 38.0^\circ above the horizontal and has coefficients of kinetic and static friction of 0.400 and 0.620, respectively, with these rocks. Start each part of your solution to this problem ...
Tuesday, September 27, 2011 at 11:40pm by Anonymous
Physics
I got two questions Three blocks on a fricitonless horizontal surface are in contact with each other a force F is applied to block 1 mass m1 Draw a free body diagram for each block ok done the accelration of the system (in terms of m1, m2, and m3) ok done I got a = (m1 + m2 + ...
Sunday, July 12, 2009 at 4:24pm by Physics
physics
Find the coefficient of static and kinetic friction of a block on a table surface. The mass of the weight is 200g and with the friction block overall the mass is 0.3 kg. With a spring scale we found Fs to be 1N and Fk to be 0.8N. Draw free body diagram.
Monday, January 28, 2013 at 10:10pm by Mary
Physics
Remember the equation F=ma? You're given the acceleration and the mass, so you can find the force acting on the system. Draw a free body diagram, what forces are being applied to the car? Break down your total force into these force components to find the frictional force.
Friday, April 17, 2009 at 12:03am by Carlie
Health
Do you need a diagram? There are plenty of exercises but so far I've found no diagram. Perhaps you could take a full-body one and just blow up the sections you need? Sra
Monday, September 1, 2008 at 6:11pm by SraJMcGin
Electricity and Electronics
If one body is positively charged and another body is negatively charged, free electrons tend to A. move from the negatively charged body to the postively charged body. B. move from the postively charged body to the negatively charged body. C. remain in the negatively charged ...
Wednesday, August 22, 2012 at 6:11am by Mikaela
Physics
A skier of mass 66 kg skis straight down a 11° slope at constant velocity. Draw a free-body diagram of the skier with the various external forces acting on her. Include the force of air resistance, which is directed opposite the velocity. (Do this on paper. Your ...
Saturday, March 16, 2013 at 7:15pm by Help
Physics
Find the force of tension in the chain. Determine the force of compression in the support bar. Be sure to include a free body diagram as part of your solution. Now the only information given is a mass=20.4 kg and the angle 22 degrees. If anyone could help me with this question...
Tuesday, March 13, 2012 at 6:25pm by Dani
English
I'm having trouble diagramming sentences. How do you diagram an object complement? Ex. The stories made them proud of their achievements. Proud is an object complement, right? I can't figure out how to diagram it. Also, how do you diagram things when you have three or ...
Wednesday, December 12, 2007 at 9:46pm by Joe
Physics
Three blocks on a frictionless horizontal surface are in contact with each other, as shown below. A force F is applied to block A (mass mA). (a) Draw a free-body diagram for each block. Determine (b) the acceleration of the system (in terms of mA, mB, mC), (c) the net force on...
Friday, October 22, 2010 at 12:30pm by Anonymous
physics
T = tension in line free body of bucket (Positive is down): mg - T = m a free body of pulley: acceleration a = angular acceleration alpha * r alpha = moment/I I = (1/2) m r^2 = moment = T r so alpha = 2 T r/ m r^2 = 2 T/m r a = alpha r = 2 T/m therefore mg - T = m a but a = 2 ...
Thursday, November 17, 2011 at 5:59pm by Damon
Physics
Three blocks on a frictionless horizontal surface are in contact with each other A force F is applied to block 1 (m1) Draw a free body diagram for each block ok for the diagram is the force F applied horizontal to mass one does this force act on m2 all the blocks are lines up ...
Saturday, July 11, 2009 at 10:11pm by Physics
Physics
A free body diagram of the rocket with parachute attached will have an air resistance force upwards (when falling) and a weight force (m g) downwards. There will be a lesser air resistance force on the rocket than on the psrachute.
Friday, August 28, 2009 at 5:41am by drwls
physics
The string closest to the axis of rotation would have the maximum tension. Draw the free body diagram and it will be clear that the tension in the closest string balances not only the centrifugal force on the attached ball but also the tension in the string next in the chain.
Sunday, August 5, 2012 at 2:49am by Ajayb
Physics grade 12
Find the force of tension in the chain. Determine the force of compression in the support bar. Be sure to include a free body diagram as part of your solution. Now the only information given is a mass=20.4 kg and the angle 22 degrees. If anyone could help me with this question...
Wednesday, March 14, 2012 at 3:44pm by anonymous
Physics
A massless spring with spring constant 17.1 N/m hangs vertically. A body of mass 0.210 kg is attached to its free end and then released. Assume that the spring was unstretched before the body was released. How far below the initial position does the body descend?
Thursday, April 25, 2013 at 6:01pm by Anonymous
physics
a child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate? (hint: draw a free-body diagram for each object.)
Monday, November 2, 2009 at 8:50pm by billy
Physics
A model rock is shot into the air. Once it starts to fall a parachute is deployed. Draw a free body diagram of the rocket with the parachute deployed ok well there is gravity does the parachute exert a force upward? onto what? what do i call this force?
Friday, August 28, 2009 at 5:41am by Physics
Ap physics
A person pushes a 15.0 kg lawn mower at constant speed with a force of 77.0 N directed along the handle, which is at an angle of θ = 49.0° to the horizontal . (a) Draw the free-body diagram showing all forces acting on the mower. (Do this on paper. Your instructor...
Friday, September 10, 2010 at 4:58pm by rayray
physics
A sign that has a mass of 10.0kg is suspended by two wires, as shown below. (wire 1 is at a 40 degreee angle with the sign, wire 2 is at no angle) Determine the force exerted by each wire in supporting the sign. \in cluse a free-body diagram as part of your response.
Friday, October 7, 2011 at 2:55am by ANdrea
college physics
Draw a free body diagram. The rope has to provide force to hold the weight, and to provide acceleartion. Tension=mg+ma Now the mass in each equation is the mass that rope is pulling. For the top rope, both masses. For the bottom, one mass.
Tuesday, May 19, 2009 at 10:29am by bobpursley
PHYSICS HELP!!
#2.) Draw a free body diagram for the following situation: a.) A 0.15 kg running shoe is pushed to the right, with a constant velocity, across a wet concrete floor with an applied force of 3.5 N. b.) Calculate the normal force exerted by the concrete onto the running shoe.
Tuesday, February 5, 2013 at 7:36pm by AMANDA
Physics
Remember that tension is just a force. Therefore, it helps to draw a free body diagram. There are two forces on the yo-yo: the force of weight, and the tension of the string. Because the object is rotating, the tension results in a centripetal force (always directed inwards to...
Sunday, December 13, 2009 at 8:55pm by Marth
physics
Some sliding rocks approach the base of a hill with a speed of 18.0 . The hill rises at 41.0 above the horizontal and has coefficients of kinetic and static friction of 0.420 and 0.570, respectively, with these rocks. Start each part of your solution to this problem with a ...
Tuesday, October 2, 2012 at 9:41pm by Anonymous
Physics
Draw a free body diagram. Note that three forces act on the bucket: weight, air resistance and rope tension. Because the velocity is constant, the three forces must balance. A bit of trigonometry will tell you what the air resistance is. I do not want to deprive you of the ...
Thursday, March 8, 2012 at 6:58pm by drwls
physics
a block(500N) is being pulled along a surface having coefficients of kinetic and staic friction of 0.45 and 0.5 respectively..draw a free body diagram of the block and find the minimum force that can be applied to the block at an angle 15¢X below the surface to keep the ...
Monday, December 5, 2011 at 10:03am by Anonymous
physics
A massless spring with spring constant 16.7 N/m hangs vertically. A body of mass 0.220 kg is attached to its free end and then released. Assume that the spring was unstretched before the body was released. How far below the initial position does the body descend? please show ...
Wednesday, May 4, 2011 at 1:20am by Joan
engineering
Using mechanics of materials principles, (i.e. equations of mechanical equilibrium applied to a free-body diagram), derive the following equations: s’ = s cos2q = s[(1+ cos 2q) / 2] t' = s sinq cosq = s [sin 2q / 2] s=sigma, q=theta, t=tau I have looked in "...
Monday, October 18, 2010 at 5:06pm by Bob
physics
A nurse pushes a cart by exerting a force on the handle at a downward angle 35.0º below the horizontal. The loaded cart has a mass of 28.0 kg, and the force of friction is 60.0 N. (a) Draw a free-body diagram for the system of interest. (b) What force must the nurse exert...
Tuesday, September 18, 2012 at 8:38pm by John
Electronic
if one body is positively charged and another body is negatively charged, free electrons tend to
Wednesday, September 27, 2006 at 10:35am by marjorie
Physics(Mechanics)
First draw a diagram of the system (right), then draw the free body diagram (left), see: http://imageshack.us/photo/my-images/192/1317926143.jpg/ With the forces isolated, weight (mg), tension on the rope (T), and the normal reaction (N), and the angles (in degrees) known, ...
Thursday, October 6, 2011 at 2:35pm by MathMate
physics
An 9000 test car travels 40.5 before stopping from an initial speed of 25.7 on dry horizontal pavement with its wheels locked. a)Make a free-body diagram of this car while it is slowing down. b) What external force causes it to slow down? c)Assuming constant acceleration, find...
Wednesday, February 6, 2013 at 2:30am by Leewillikers
Physics
An 11,000 N test car travels 44.5 m before stopping from an initial speed of 28.7 m/s on dry horizontal pavement with its wheels locked. (a) make a free body diagram of this car while its slowing down. (b) what external force causes it to slow down. (c) Assuming constant ...
Tuesday, October 6, 2009 at 12:24pm by SaraH
physics
Problem 2: A body A of mass m = 1Kg and a body B of mass M = 4Kg are interconnected by a spring as shown in figure below. The body A performs free vertical harmonic oscillation with amplitude a = 1.6 cm and frequency ω= 25/s. Neglecting the mass of spring, find the ...
Saturday, October 22, 2011 at 3:19pm by nino
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