# A block weighing 70.7 N rests on a plane inclined at 21.6° to the horizontal. The coefficient of the static and kinetic frictions are 0.23 and 0.12 respectively. What is the minimum magnitude of the force F, parallel to the

22,562 questions, page 6
1. ## Physics

A metal of block of mass 10kg lies on a rough plane, horizontal force of 8n applied to the block through it's centre of mass just slides the block on the plat form. What is the coefficient of limiting friction between the block and the plat form.

asked by Akumka patricia on October 18, 2015
2. ## PHYSICS HELP

A box rests on a plank that is inclined to the horizontal. As the angle between the plank and the horizontal increases, does the component of the weight of the box parallel to the plank increase, decrease, or remain the same? Explain your answer. see the

asked by Suzanne on October 16, 2006
3. ## Mechanics (M1) A level?

A block moves on a rough slope of length 10 m inclined at 30 degrees to the horizontal. The coefficiebt of friction between the block and the slope is 0.4. The block starts from rest at the top of the slope. a) Find the speed at which the block reaches the

asked by Jat on April 29, 2012
4. ## physics

A crate of oranges slides down an inclined plane without friction. If it is released from rest and reaches a speed of 4.883 m/s after sliding a distance of 2.01 m, what is the angle of inclination of the plane with respect to the horizontal? Please note:

asked by lissa on March 2, 2012
5. ## PHYSÝCS I

A crate of oranges slides down an inclined plane without friction. If it is released from rest and reaches a speed of 4.883 m/s after sliding a distance of 2.01 m, what is the angle of inclination of the plane with respect to the horizontal? Please note:

6. ## mechanics

solve this problems; A weight of 50 KN is on the point of motion down a rough inclined plane when supported by a force of 15 KN acting parallel to the plane and is on the point of motion up the inclined plane under the influence of a force of 25 KN applied

asked by bright on February 3, 2016
7. ## Physics

For a given velocity of projection from a point on a inclined plane , the maximum range down the plane is three times the maximum range up the incline. Then find the angle of inclination of the inclined plane.

8. ## Math

Plane A and B ate both flying eastward with constant velocity in the same horizontal plane at angles 30 degrees and 60 degrees with respect to the horizontal respectively. The speed of A is 100 square root of 3 miles per second. Initially, the pilot of

asked by Rian on March 8, 2017
9. ## physics

An object of mass 10.0 kg is released from the top of an inclined plane which makes an angle of inclination of 30 degrees with the horizontal. The object slides along the inclined plane. The questions refer to the instant when the object has traveled

asked by Chika on July 31, 2010
10. ## Physics

A body slides down from the rest from the top of6.4m long rough inclined plane at 30 degree with the horizontal.find the time taken by the body in reaching the bottom of the plane. Take mu k=0.2 and g=10m/s2

asked by Anonymous on September 25, 2016
11. ## Physics/Math

A 17 N horizontal force F pushes a block weighing 6.0 N against a vertical wall. The coefficient of static friction between the wall and the block is 0.68, and the coefficient of kinetic friction is 0.48. Assume that the block is not moving initially. Will

asked by COFFEE on February 10, 2007
12. ## physics

The mass of the block is 1.8 107 kg, the dip angle è of the bedding plane is 26°, and the coeffient of static friction between block and plane is 0.63. (a) Show that the block will not slide. (b) Water seeps into the joint and expands upon freezing,

asked by johnny on December 11, 2008
13. ## Physics

A smooth plane AB is 10 meters long, It is inclined at 30 degrees to the horizontal with the lower end, B, 6 meteres vertically above horixontal ground. A particle is placed on the plane at the upper end, A, and then released from erst so that it slides

asked by Chris on February 4, 2012
14. ## physics

Consider two frictionless inclined planes with the same vertical height. Plane 1 makes an angle of 25.0 degree with the horizontal, and plane 2 makes an angle of 55.0 degree with the horizontal. Mass m_1 is placed at the top of plane 1, and mass m_2 is

asked by andrea on February 22, 2011
15. ## Physics

Find the coeffecient of kinetic friction between a 3.85kg block and the horizontal surface on which it rests if at 85 N/m spring must be stretched by 6.20cm to pull it with constant speed. Assume that the spring pulls in the horizontal direction.

asked by Alyssa on November 29, 2009

A rocket car is traveling on a linear horizontal frictionless track when it suddenly runs out of fuel. The car has achieved a speed of 100 meters per second at the very moment the fuel is completely spent. The track then suddenly changes to a 30-degree

asked by Katrina on February 21, 2007
17. ## Physics

A 0.050 kg cart has a spherical dome that is charged to +1.0 x 10–5 C. The cart is at the top of a 2.0-m long inclined plane that makes a 30° angle with the horizontal. The cart and the plane are placed in an upward pointing vertical uniform 4000N/C

asked by Kyle on September 30, 2015
18. ## physics

4 kg block rests on a smooth horizontal surface,upper surface of 4 kg is rough.A block of mass 2 kg is placed on its upper surface.The acceleration of upper block with respect to earth when 4 kg mass is pulled by a horizontal force of 30N?coefficient of

asked by zoha on June 4, 2014
19. ## Physics

A small block is released from rest at the top of a long frictionless ramp that is inclined at an angle of 36.9° above the horizontal. You measure that a small block travels a distance 12.0 m down the incline in 8.20 s. What is the value of g, the

asked by Anonymous on September 21, 2015
20. ## Physics

A small block is released from rest at the top of a long frictionless ramp that is inclined at an angle of 36.9° above the horizontal. You measure that a small block travels a distance 12.0 m down the incline in 8.20 s. What is the value of g, the

asked by Karlie on September 21, 2015
21. ## Physics

A projectile is launched from a compressed spring on an inclined plane. The spring constant of the spring is k= 10 N/m, the mass is 1kg and the plane is inclined 30 degrees to the horizontal. If the spring is compressed 15 cm what will be the velocity of

asked by Carolyn on March 18, 2015
22. ## physics

a body of massb20kg slides down a plane inclined at 30degree to the horizontal if a constant resting force of 40N act on the body it acceleration down the plane is what? f=mgsin ma=mg sin 20×a=20×10sin30 20a=100 a=50

asked by favour on November 24, 2016
23. ## Polytechnic soko nigeria

A body of weight 500N is liying on a rough plane inclined at angle 25 with the horizontal, it ir supported.by an effort P, parallel to the plane.determine the minimum and maximum value of P, for the equilibriun can exist if the angle of friction is 20

asked by Musty on April 12, 2012
24. ## Polytechnic soko nigeria

A body of weight 500N is liying on a rough plane inclined at angle 25 with the horizontal, it ir supported.by an effort P, parallel to the plane.determine the minimum and maximum value of P, for the equilibriun can exist if the angle of friction is 20

asked by Musty on April 12, 2012
25. ## physics

A light rope is attached to a block with a mass of 6 kg that rests on a horizontal, frictionless surface. THe horizontal rope passes over a frictionless, massless pulley, and a block of mass m is suspended from the other end. When the blocks are released,

asked by Benji on November 16, 2006
26. ## Physics

A ball rolling on an inclined plane dors so with constant acceleration. One ball, A, is released from rest on the top of an inclined plane 18m long to reach the bottom 3s later. At the same time as A is released, another ball, B, is projected up the same

asked by Edward.Oki on March 24, 2013
27. ## physics

A large block P executes horizontal simple harmonic motion as it slides across a frictionless surface with a frequency f = 1.7 Hz. Block B rests on it, as shown in the figure, and the coefficient of static friction between the two is ìs=0.64. (b) What is

asked by Anonymous on November 28, 2012
28. ## physics

A large block P executes horizontal simple harmonic motion as it slides across a frictionless surface with a frequency f = 1.7 Hz. Block B rests on it, as shown in the figure, and the coefficient of static friction between the two is ìs=0.64. (b) What is

asked by Anonymous on November 26, 2012
29. ## physics

a ball rolling on oa inclined plane dors so with constant acceleration. One ball, A, is released from rest on th etop of an inclined plane 18m long to reach the bottom 3s later. At the same time as A is released, another ball, B, is projected up the same

asked by edward on March 24, 2013
30. ## PHYSICS HELP

Determine the normal force for a laundry basket with a mass of 4.5 kg in each of the following situations (a) at rest on a horizontal surface? __ n (b) at rest on a ramp inclined at 12° above the horizontal? __N (c) at rest on a ramp inclined at 25°

asked by Cheyenne on March 3, 2016
31. ## Physics

1. A body was dropped from a building 10-m high. Its kinetic energy before reaching the ground is 980 J. What is the mass of the body? 2. A 1.0-kg block slides down a rough inclined plane whose height is 1.0 m. At the bottom the block has a speed of 4.0

asked by Brianna on October 21, 2014
32. ## 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)

asked by Priya on October 20, 2012
33. ## mechanics of machines

A body of weight 500N is lying on a rough plane inclined at angle 3.2 with the horizontal. It is supported by an effort p, parallel to the plane. Determine the minimum and maximum value of P, for which the equilibrium can exist if the angle of friction is

asked by mustapha on April 10, 2012
34. ## PHYSICS

a block is given an initial velocity of 3 m/s up the 22 degree plane. A.) How far up will the plane go B.) How much time elapses before it returns to its starting point. IGNORE FRICTION A) I got 1.2m B.) I got 1.6s I'm confused on this question: Both

asked by J on February 24, 2016
35. ## Physics

A block with a mass of m = 21 kg rests on a frictionless surface and is subject to two forces acting on it. The first force is directed in the negative x-direction with a magnitude of F1 = 9.5 N. The second has a magnitude of F2 = 19.5 N and acts on the

asked by Maura on February 19, 2014
36. ## PHYSICS HELP

A 525-N trunk is placed on an inclined plane that forms an angle of 30.0 degrees with the horizontal. What are the components of the weight parallel to the plane and normal to the plane? Memorize this: weight normal = mg cosTheta weight parallel= mg Sin

asked by Suzanne on October 16, 2006
37. ## Physics

1. A block of mass 57.1 kg rests on a slope having an angle of elevation of 28.3°. If pushing downhill on the block with a force just exceeding 162 N and parallel to the slope is sufficient to cause the block to start moving, find the coefficient of

asked by Cameron on October 3, 2018
38. ## Physics - Scott help!

1. A block of mass 57.1 kg rests on a slope having an angle of elevation of 28.3°. If pushing downhill on the block with a force just exceeding 162 N and parallel to the slope is sufficient to cause the block to start moving, find the coefficient of

asked by Cameron on October 3, 2018
39. ## physics

A 16.0 m uniform ladder weighing 480 N rests against a frictionless wall. The ladder makes a 61.0° angle with the horizontal. (a) Find the horizontal and vertical forces the ground exerts on the base of the ladder when an 840 N firefighter is 4.20 m from

asked by phys on April 12, 2010
40. ## physics

A 214-kg crate rests on a surface that is inclined above the horizontal at an angle of 19.4°. A horizontal force (magnitude = 541 N and parallel to the ground, not the incline) is required to start the crate moving down the incline. What is the

asked by sarah on October 28, 2015
41. ## physics

A 220-kg crate rests on a surface that is inclined above the horizontal at an angle of 19.4°. A horizontal force (magnitude = 525 N and parallel to the ground, not the incline) is required to start the crate moving down the incline. What is the

asked by Nick on November 7, 2011
42. ## physics

A 75 kg skier starts at rest on top of a icy inclined plane (with a 30 degree angle to the ground). He ends up going past the inclined plane and onto a flat ground. And comes to a rest. The coefficient of friction is .100. How long does it take for the

asked by Haffmeister on November 30, 2013
43. ## Physics

A 75 kg skier starts at rest on top of a icy inclined plane (with a 30 degree angle to the ground). He ends up going past the inclined plane and onto a flat ground. And comes to a rest. The coefficient of friction is .100. How long does it take for the

asked by Carter on November 28, 2013
44. ## Physics

A 75 kg skier starts at rest on top of a icy inclined plane (with a 30 degree angle to the ground). He ends up going past the inclined plane and onto a flat ground. And comes to a rest. The coefficient of friction is .100. How long does it take for the

asked by Fernandez on December 1, 2013
45. ## Physics

A cord connected at one end to a block which can slide on an inclined plane has its other end wrapped around a cylinder resting in a depression at the top of the plane as shown in the figure (Intro 1 figure) . Determine the speed of the block after it has

asked by Andrei on May 28, 2009
46. ## Physics

n the figure below, the coefficient of kinetic friction between the block and inclined plane is 0.18 and angle θ = 55°. What is the block's acceleration (magnitude and direction) assuming the following conditions? (a) It is sliding down the slope. m/s2

asked by Rachel on February 20, 2013
47. ## Physics

On takeoff, the combined action of the engines and the wings of an airplane exert a force of 8.00 x 103 N on the plane upward at an angle of 65.0˚ above the horizontal. The plane rises with constant velocity in the vertical direction while continuing to

asked by Lee on May 12, 2017
48. ## trig

An object Is propelled upward at an angle θ, 45° < θ

asked by Anonymous on February 19, 2013
49. ## Math

The Johnstown inclined plane in johnstown, pennsylvania, is a cable car that transports people up and down the side of a hill. during the cable car's climb, you move about 17 feet upward for every 25 feet you move forward. at the top of the incline, the

asked by Anon on December 7, 2012
50. ## physics

A partical p is projected from a point on the surface of long smooth inclined plane. Simultaneously another particle Q is released on the smooth inclined plane from the same position. P and Q collide after t=4 sec. The speed of projection of p is:

asked by shubhi on August 20, 2014
51. ## physics

A block of mass m slides down a frictionless incline as The block is released from height h above the bottom of the circular loop. (a) Find the force exerted on the block by the inclined track at point A. (Hint: Consider the Newton’s 2nd law in the

asked by ahmed on January 8, 2015
52. ## physics

block of mass m slides down a frictionless incline as The block is released from height h above the bottom of the circular loop. (a) Find the force exerted on the block by the inclined track at point A. (Hint: Consider the Newton’s 2nd law in the radial

53. ## Physics

A 5.0- kg concrete block rests on a level table. A 3.7- kg mass is attached to the block by a string passing over a light, frictionless pulley. If the acceleration of the block is measured to be 1.0 m/s2, what is the coefficient of friction between the

asked by Jordan on February 21, 2015
54. ## Physics

A 5.7- kg concrete block rests on a level table. A 4.0- kg mass is attached to the block by a string passing over a light, frictionless pulley. If the acceleration of the block is measured to be 1.0 m/s2, what is the coefficient of friction between the

asked by Steve on February 21, 2012
55. ## Physics

A 5.7- kg concrete block rests on a level table. A 4.0- kg mass is attached to the block by a string passing over a light, frictionless pulley. If the acceleration of the block is measured to be 1.0 m/s2, what is the coefficient of friction between the

asked by Steve on February 21, 2012
56. ## Physics

A 5.7- kg concrete block rests on a level table. A 4.0- kg mass is attached to the block by a string passing over a light, frictionless pulley. If the acceleration of the block is measured to be 1.0 m/s2, what is the coefficient of friction between the

asked by Eva on February 21, 2012
57. ## PHYSICS

Determine the normal force for a laundry basket with a mass of 5.8 kg in each of the following situations (a) at rest on a horizontal surface (b) at rest on a ramp inclined at 12° above the horizontal (c) at rest on a ramp inclined at 25° above the

asked by Meg Peterson on January 12, 2013
58. ## simple machines

A box with a force of 100N is pushed up an inclined plane. It takes a force os 75N to push it to the top. What is the efficiency of the inclined plane?

asked by laura on January 19, 2010
59. ## physics

a crate is pushed to the top of a frictionless inclined plane 15 m long with a force of 25 N. If the crate weighs 125 N, how high is the inclined plane? 0.5 m 1 m 3 m or 5 m

asked by Sophie on February 19, 2011
60. ## Physics

In the figure below, m1 = 3.8 kg, m2 = 5.2 kg, and the coefficient of kinetic friction between the inclined plane and the 3.8-kg block is μk = 0.3. Find the magnitude of the acceleration of the masses and the tension in the cord.

asked by Tara on September 26, 2012
61. ## Help pls.

Compute the acceleration of the block sliding down a 30 deg inclined plane if the coefficient of kinetic friction is 0.20. Show solution pls.

asked by Yan-yan on August 23, 2014
62. ## physics

An inclined plane rises to aheight of 2 m over adistance of 6 m. Calculate: 1.The ange of the slope 2.The VR (and so IMA) of the inclined plane. 3The theoretical force required to push an object with a mass of 200 Kg up the slope.

asked by Yared moges on March 5, 2015
63. ## Physics

A 1.40- block is on a frictionless, 20 inclined plane. The block is attached to a spring ( = 40.0 ) that is fixed to a wall at the bottom of the incline. A light string attached to the block runs over a frictionless pulley to a 60.0- suspended mass. The

asked by Anonymous on June 5, 2013
64. ## analytical mechanism

Problem 4: A block of mass m slides down a frictionless incline as: The block is released from height h above the bottom of the circular loop. (a) Find the force exerted on the block by the inclined track at point A. (Hint: Consider the Newton’s 2nd law

asked by ali on January 22, 2015
65. ## home work

Problem 4: A block of mass m slides down a frictionless incline as: The block is released from height h above the bottom of the circular loop. (a) Find the force exerted on the block by the inclined track at point A. (Hint: Consider the Newton’s 2nd law

asked by ali on January 22, 2015
66. ## Physics

A 149 kg crate is pushed at constant speed up a frictionless inclined plane of theta = 51 with the horizontal. Assuming one pushes with a horizontal force, what is the magnitude of the force F (in N) required to do this?

asked by JAYZ on October 14, 2013
67. ## Physics

A 13 kg block(mA) rests on a level table. The coefficient of kinetic friction between the block and the table is .15. A string of negligible mass is attached to the block. The string, which is perfectly horizontal, passes through a frictionless pulley at

asked by Anonymous on December 19, 2016
68. ## physics

A 13.0kg block slides 5.00m down a frictionless surface inclined 31.0° above the horizontal, before being stopped by an originally unstretched spring of spring constant k=346N/m secured to the inclined surface. Find the maximum compression of the spring.

asked by sal on October 27, 2018
69. ## physics

A 248-kg crate rests on a surface that is inclined above the horizontal at an angle of 19.5°. A horizontal force (magnitude = 537 N and parallel to the ground, not the incline) is required to start the crate moving down the incline. What is the

asked by Jul on November 9, 2011
70. ## Physics

Determine the normal force for a laundry basket with a mass of 4.7 kg in each of the following situations (a) at rest on a horizontal surface _________ N (b) at rest on a ramp inclined at 12° above the horizontal _______ N (c) at rest on a ramp inclined

asked by Dakota on October 23, 2012
71. ## physics

How much effort force would be needed to roll a barrel with a resistance force of 100N up an inclined plane with a height of 2m and an inclined plane of 8m?

asked by Jean on January 22, 2016
72. ## physics

A 1.75-kg wooden block rests on a table over a large hole as in the figure below. A 4.60-g bullet with an initial velocity vi is fired upward into the bottom of the block and remains in the block after the collision. The block and bullet rise to a maximum

asked by jeezy on March 25, 2012
73. ## Physics

A 1.75-kg wooden block rests on a table over a large hole as in the figure below. A 5.20-g bullet with an initial velocity vi is fired upward into the bottom of the block and remains in the block after the collision. The block and bullet rise to a maximum

asked by Ana on November 30, 2014
74. ## physics

Mass mA rests on a smooth horizontal surface, mB hangs vertically.If m_{\rm{A}}=13.0 kg and m_{\rm{B}}=3.0 kg in the figure , determine the magnitude of the acceleration of each block.

asked by Anonymous on October 23, 2010
75. ## PHYSICS

A 15 kg block is on a ramp which is inclined at 20 degrees above the horizontal. It's connected by a string to a 20kg mass which hangs over the top edge of the ramp. With no frictional forces taken into account, what is the magnitude of the acceleration of

asked by SAM on November 7, 2017
76. ## Physics

A 15 kg block is on a ramp which is inclined at 20 degrees above the horizontal. It's connected by a string to a 19kg mass which hangs over the top edge of the ramp. With no frictional forces taken into account, what is the magnitude of the acceleration of

asked by Ann on November 9, 2017
77. ## Physics

A 149 kg crate is pushed at constant speed up a frictionless inclined plane of $\theta$ = 51 $^{\circ}$ with the horizontal. Assuming one pushes with a horizontal force, what is the magnitude of the force F (in N) required to do this?

asked by JAYZ on October 14, 2013
78. ## Physics

A wooden block with mass 0.26{\rm kg} rests on a horizontal table, connected to a string that hangs vertically over a friction-less pulley on the table's edge. From the other end of the string hangs a 0.20{\rm kg} mass. What minimum coefficient of static

asked by Nichole on October 18, 2012
79. ## Physics

A wooden block with mass 0.26 kg rests on a horizontal table, connected to a string that hangs vertically over a friction-less pulley on the table's edge. From the other end of the string hangs a 0.12 kg mass. A) What minimum coefficient of static friction

asked by Linday on February 14, 2017
80. ## 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

asked by sana on December 9, 2010
81. ## Physics

If a block of mass 10.0 kg rests on a horizontal surface, and the coefficient of static friction is 0.300, what is the maximum static friction that can act on the block? If you could walk me step by step on completing this problem, I would be extremely

asked by Matt on September 21, 2014
82. ## Mechanics for A-level?

A particle of mass m can just rest on a rough plane inclined at 30 degree to the horizontal without slipping down. show that the least horizontal force needed to maintain its position if the inclination is increased to 45 degree is 0.268mg.

asked by Jat on April 7, 2012
83. ## physics

You use an inclined plane to move furniture into a truck. You perform 224 kJ of work, but only do 91 kJ of useful work. What is the efficiency of the inclined plane?

asked by meriyhome on October 4, 2014
84. ## physics

a body is launched up on a rough inclined plane making an angle of 30 degrees with yhe horizontal . obtain the coefficient of friction between body and the plane if the time of ascent is half of the time of descent

asked by Anonymous on December 2, 2011
85. ## Physics

A car with its brakes locked will remain stationary on an inclined plane of dry concrete when the plane is at an angle of less than 45 degrees with the horizontal. What is the coefficients of static friction of rubber tires on dry concrete

asked by Anon on October 23, 2012
86. ## physics

A box weighing 100 newtons is pushed up an inclined plane that is 5 meters long. It takes a force of 75 newtons to push it to the top,which has a height of 3 meters. What is the efficiency?

asked by chris on October 14, 2008
87. ## physics

On an incline plane (raised to 30 degrees) is a block A which has a mass of 10 kg. It is attached to a string which goes through a frictionless massless pulley. attached to the other end of the string is an other Block B. The coefficient of kinetic

asked by Brian on November 28, 2006
88. ## physics

a 2kg block of wood rests on a long table top. a 5 gram bullet moving horizontally with speed of 150m/s is shoot into the block and stricks in it then block slides 270cm along the table and stops. find a)speed of block after impact b)friction force between

asked by yonas on February 19, 2012
89. ## Physics

In the figure below, m1 = 3.1 kg, m2 = 5.8 kg, and the coefficient of kinetic friction between the inclined plane and the 3.1-kg block is μk = 0.27. Find the magnitude of the acceleration of the masses and the tension in the cord. The incline is at at 30

asked by Jimmy on October 12, 2011
90. ## PHYSICS

AN OBJECT MASS OF 10KG IS PLACED ON AN INCLINED PLANE AT 30 degree at the horizontal calculate recreation between two su

asked by MUTIAT on September 23, 2017
91. ## Physics

A boy sliding down a frictionless plane inclined at an angles 35° with the horizontal. What is the acceleration of the book?

asked by Alyssa on April 2, 2016
92. ## Physics

A 2.5-kg block is sliding along a rough horizontal surface and collides with a horizontal spring whose spring constant is 320 N/m. Unstretched, the spring is 20.0 cm long. The block causes the spring to compress to a length of 12.5 cm as the block

asked by Drew on May 30, 2014
93. ## College Physic

I am stuck on this question. Any help will be greatly appreciated! A 0.082 kg solid cylinder with a radius of 1.90 cm, is placed at the top of a 30º inclined plane of height 29.5 cm. If the inclined plane is not frictionless, and the cylinder does roll,

asked by Jennifer Hill on November 4, 2012
94. ## physics

a block of mass 3 kg rests on a smooth table and connected to another block of mass 2 kg, after passing over and ideal pulley, the block of mass 2 kg is released. how long does it take the block to travel 80 cm

asked by n on August 12, 2014
95. ## physics

what is the difference between an object of mass moving up a smooth inclined plane and that moving up a rough inclined plane?

asked by poppy👌🤔 on May 3, 2019
96. ## physics

You do a physics lab experiment on another planet. A small block is released from rest at the top of a long frictionless ramp that is inclined at an angle of 36.9° above the horizontal. You measure that a small block travels a distance 17.0 m down the

asked by dianna li on September 21, 2015
97. ## Physics 12

A block mass m1 lying on a frictionless inclined plane is connected to a mass m2 by a massless cord passing over a pulley. 1.) determine a formula for the acceleration of the system in terms of m1, m2, Ө, and g. 2.)what conditions apply to mass m1 and m2

asked by Anon on February 26, 2012
98. ## Physics

Which of the following forces does NOT have a zero work done on the object: a)The normal force on a box that slides across a horizontal level floor. b)The weight on a box that slides across a horizontal level floor. c)The normal force on a box that slides

asked by Nikita on November 10, 2009
99. ## Physics

Determine the normal force for a laundry basket with a mass of 4.5 kg in each of the following situations... (a) at rest on a horizontal surface? ___ N (b) at rest on a ramp inclined at 12° above the horizontal? ___ N (c) at rest on a ramp inclined at

asked by Cheyenne on March 2, 2016
100. ## Physics

How Much Work Is Done Against Gravity In Sliding A 500g Object Through 2m Up A Smooth Plane That Is Inclined 30degree To The Horizontal(g=9.8)

asked by Anonymous on August 18, 2015