Friction
PHXI05:LAWS OF MOTION

363317 What should be the maximum value of M so that the 4kg block does not slip over the 5kg block? (Take g=10 m/s2)
supporting img

1 2kg
2 8kg
3 6kg
4 1kg
PHXI05:LAWS OF MOTION

363318 Figure (a) shows a block B of mass 4kg kept on a rough ground, with a block A of mass 2kg kept upon it. When a horizontal force F=32 N is applied to block B, the relative acceleration of B w.r.t. A is shown in Fig. (b), plotted against time. If the roughness coefficient (μ) between the surfaces of A and B and that between B and ground be the same. The value of μ(g=10 m/s2) is
supporting img

1 0.2
2 0.92
3 0.76
4 0.05
PHXI05:LAWS OF MOTION

363319 Two masses m1=10kg and m2=20kg, connected by an inextensible string over a frictionless pulley, are moving as shown in the figure.
supporting img
The coefficient of friction of horizontal surface is 0.30. Then what is the minimum weight m that should be put on top of m2 to stop the motion

1 14kg
2 13kg
3 15kg
4 17kg
PHXI05:LAWS OF MOTION

363320 A 40kg slab rests on a frictionless floor. A 10kg block rests on top of the slab as shown in the figure. The coefficient of static friction between the block and slab is 0.60 and coefficient of kinetic friction is 0.40. The 10kg block is acted upon by a horizontal force of 100N. What is the resulting acceleration of slab (in m/s2) (Take g=10 m/s2) is
supporting img

1 1
2 4
3 0.4
4 10
PHXI05:LAWS OF MOTION

363321 Two blocks A(1 kg) and B(2 kg) are connected by a string passing over a smooth pulley as shown in the figure. B rests on rough horizontal surface and A rests on B. The coefficient of friction between A and B is the same as that between B and the horizontal surface. The minimum horizontal force F required to move A to the left is 25N. What is the coefficient of friction (g=10 m/s2) is
supporting img

1 0.1
2 0.5
3 0.7
4 0.2
PHXI05:LAWS OF MOTION

363317 What should be the maximum value of M so that the 4kg block does not slip over the 5kg block? (Take g=10 m/s2)
supporting img

1 2kg
2 8kg
3 6kg
4 1kg
PHXI05:LAWS OF MOTION

363318 Figure (a) shows a block B of mass 4kg kept on a rough ground, with a block A of mass 2kg kept upon it. When a horizontal force F=32 N is applied to block B, the relative acceleration of B w.r.t. A is shown in Fig. (b), plotted against time. If the roughness coefficient (μ) between the surfaces of A and B and that between B and ground be the same. The value of μ(g=10 m/s2) is
supporting img

1 0.2
2 0.92
3 0.76
4 0.05
PHXI05:LAWS OF MOTION

363319 Two masses m1=10kg and m2=20kg, connected by an inextensible string over a frictionless pulley, are moving as shown in the figure.
supporting img
The coefficient of friction of horizontal surface is 0.30. Then what is the minimum weight m that should be put on top of m2 to stop the motion

1 14kg
2 13kg
3 15kg
4 17kg
PHXI05:LAWS OF MOTION

363320 A 40kg slab rests on a frictionless floor. A 10kg block rests on top of the slab as shown in the figure. The coefficient of static friction between the block and slab is 0.60 and coefficient of kinetic friction is 0.40. The 10kg block is acted upon by a horizontal force of 100N. What is the resulting acceleration of slab (in m/s2) (Take g=10 m/s2) is
supporting img

1 1
2 4
3 0.4
4 10
PHXI05:LAWS OF MOTION

363321 Two blocks A(1 kg) and B(2 kg) are connected by a string passing over a smooth pulley as shown in the figure. B rests on rough horizontal surface and A rests on B. The coefficient of friction between A and B is the same as that between B and the horizontal surface. The minimum horizontal force F required to move A to the left is 25N. What is the coefficient of friction (g=10 m/s2) is
supporting img

1 0.1
2 0.5
3 0.7
4 0.2
PHXI05:LAWS OF MOTION

363317 What should be the maximum value of M so that the 4kg block does not slip over the 5kg block? (Take g=10 m/s2)
supporting img

1 2kg
2 8kg
3 6kg
4 1kg
PHXI05:LAWS OF MOTION

363318 Figure (a) shows a block B of mass 4kg kept on a rough ground, with a block A of mass 2kg kept upon it. When a horizontal force F=32 N is applied to block B, the relative acceleration of B w.r.t. A is shown in Fig. (b), plotted against time. If the roughness coefficient (μ) between the surfaces of A and B and that between B and ground be the same. The value of μ(g=10 m/s2) is
supporting img

1 0.2
2 0.92
3 0.76
4 0.05
PHXI05:LAWS OF MOTION

363319 Two masses m1=10kg and m2=20kg, connected by an inextensible string over a frictionless pulley, are moving as shown in the figure.
supporting img
The coefficient of friction of horizontal surface is 0.30. Then what is the minimum weight m that should be put on top of m2 to stop the motion

1 14kg
2 13kg
3 15kg
4 17kg
PHXI05:LAWS OF MOTION

363320 A 40kg slab rests on a frictionless floor. A 10kg block rests on top of the slab as shown in the figure. The coefficient of static friction between the block and slab is 0.60 and coefficient of kinetic friction is 0.40. The 10kg block is acted upon by a horizontal force of 100N. What is the resulting acceleration of slab (in m/s2) (Take g=10 m/s2) is
supporting img

1 1
2 4
3 0.4
4 10
PHXI05:LAWS OF MOTION

363321 Two blocks A(1 kg) and B(2 kg) are connected by a string passing over a smooth pulley as shown in the figure. B rests on rough horizontal surface and A rests on B. The coefficient of friction between A and B is the same as that between B and the horizontal surface. The minimum horizontal force F required to move A to the left is 25N. What is the coefficient of friction (g=10 m/s2) is
supporting img

1 0.1
2 0.5
3 0.7
4 0.2
PHXI05:LAWS OF MOTION

363317 What should be the maximum value of M so that the 4kg block does not slip over the 5kg block? (Take g=10 m/s2)
supporting img

1 2kg
2 8kg
3 6kg
4 1kg
PHXI05:LAWS OF MOTION

363318 Figure (a) shows a block B of mass 4kg kept on a rough ground, with a block A of mass 2kg kept upon it. When a horizontal force F=32 N is applied to block B, the relative acceleration of B w.r.t. A is shown in Fig. (b), plotted against time. If the roughness coefficient (μ) between the surfaces of A and B and that between B and ground be the same. The value of μ(g=10 m/s2) is
supporting img

1 0.2
2 0.92
3 0.76
4 0.05
PHXI05:LAWS OF MOTION

363319 Two masses m1=10kg and m2=20kg, connected by an inextensible string over a frictionless pulley, are moving as shown in the figure.
supporting img
The coefficient of friction of horizontal surface is 0.30. Then what is the minimum weight m that should be put on top of m2 to stop the motion

1 14kg
2 13kg
3 15kg
4 17kg
PHXI05:LAWS OF MOTION

363320 A 40kg slab rests on a frictionless floor. A 10kg block rests on top of the slab as shown in the figure. The coefficient of static friction between the block and slab is 0.60 and coefficient of kinetic friction is 0.40. The 10kg block is acted upon by a horizontal force of 100N. What is the resulting acceleration of slab (in m/s2) (Take g=10 m/s2) is
supporting img

1 1
2 4
3 0.4
4 10
PHXI05:LAWS OF MOTION

363321 Two blocks A(1 kg) and B(2 kg) are connected by a string passing over a smooth pulley as shown in the figure. B rests on rough horizontal surface and A rests on B. The coefficient of friction between A and B is the same as that between B and the horizontal surface. The minimum horizontal force F required to move A to the left is 25N. What is the coefficient of friction (g=10 m/s2) is
supporting img

1 0.1
2 0.5
3 0.7
4 0.2
PHXI05:LAWS OF MOTION

363317 What should be the maximum value of M so that the 4kg block does not slip over the 5kg block? (Take g=10 m/s2)
supporting img

1 2kg
2 8kg
3 6kg
4 1kg
PHXI05:LAWS OF MOTION

363318 Figure (a) shows a block B of mass 4kg kept on a rough ground, with a block A of mass 2kg kept upon it. When a horizontal force F=32 N is applied to block B, the relative acceleration of B w.r.t. A is shown in Fig. (b), plotted against time. If the roughness coefficient (μ) between the surfaces of A and B and that between B and ground be the same. The value of μ(g=10 m/s2) is
supporting img

1 0.2
2 0.92
3 0.76
4 0.05
PHXI05:LAWS OF MOTION

363319 Two masses m1=10kg and m2=20kg, connected by an inextensible string over a frictionless pulley, are moving as shown in the figure.
supporting img
The coefficient of friction of horizontal surface is 0.30. Then what is the minimum weight m that should be put on top of m2 to stop the motion

1 14kg
2 13kg
3 15kg
4 17kg
PHXI05:LAWS OF MOTION

363320 A 40kg slab rests on a frictionless floor. A 10kg block rests on top of the slab as shown in the figure. The coefficient of static friction between the block and slab is 0.60 and coefficient of kinetic friction is 0.40. The 10kg block is acted upon by a horizontal force of 100N. What is the resulting acceleration of slab (in m/s2) (Take g=10 m/s2) is
supporting img

1 1
2 4
3 0.4
4 10
PHXI05:LAWS OF MOTION

363321 Two blocks A(1 kg) and B(2 kg) are connected by a string passing over a smooth pulley as shown in the figure. B rests on rough horizontal surface and A rests on B. The coefficient of friction between A and B is the same as that between B and the horizontal surface. The minimum horizontal force F required to move A to the left is 25N. What is the coefficient of friction (g=10 m/s2) is
supporting img

1 0.1
2 0.5
3 0.7
4 0.2