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1. A force of 10 N is applied to a body of mass 2 kg for 5 seconds. What is the impulse imparted to the body?

A. 20 Ns B. 40 Ns C. 10 Ns D. 50 Ns

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2. A body of mass 3 kg is acted upon by two perpendicular forces of 6 N and 8 N. What is the acceleration of the body?

A. 5 m/s² B. 2 m/s² C. 10 m/s² D. 4 m/s²

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3. Which law of motion defines force?

A. Newton's First Law B. Newton's Second Law C. Newton's Third Law D. Law of Gravitation

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4. A force F is applied on a block of mass m, and the block moves with an acceleration of 2 m/s². If the mass of the block is doubled, what will be its acceleration for the same force?

A. 0.5 m/s² B. 2 m/s² C. 4 m/s² D. 1 m/s²

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5. A block of mass 2 kg is pushed on a rough horizontal surface with a force of 20 N. If the coefficient of friction is 0.5, what is the frictional force? (g = 10 m/s²)

A. 20 N B. 5 N C. 10 N D. 15 N

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6. A block of mass 4 kg is placed on an inclined plane of angle 30°. If the coefficient of friction is 0.3, what is the net force acting on the block? (g = 10 m/s²)

A. 10 N B. 12 N C. 14 N D. 8 N

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7. A block of mass 2 kg is moving with a velocity of 5 m/s on a rough horizontal surface. If the coefficient of kinetic friction is 0.1, how far will the block move before coming to rest? (g = 10 m/s²)

A. 5 m B. 7.5 m C. 12.5 m D. 10 m

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8. A block of mass 2 kg is placed on a rough inclined plane making an angle of 30° with the horizontal. If the coefficient of friction is 0.5, what is the frictional force acting on the block? (g = 10 m/s²)

A. 15 N B. 8.66 N C. 5 N D. 10 N

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9. Two blocks of masses 3 kg and 7 kg are connected by a string on a horizontal frictionless surface. A force of 50 N is applied to the 7 kg block. What is the tension in the string?

A. 30 N B. 25 N C. 15 N D. 35 N

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10. A car is moving on a circular path of radius 50 m with a constant speed of 10 m/s. What is the centripetal acceleration of the car?

A. 2 m/s² B. 5 m/s² C. 4 m/s² D. 1 m/s²

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11. A block is placed on an inclined plane of angle 30°. The coefficient of friction between the block and the plane is 0.5. What is the net force on the block if its weight is 100 N?

A. 25 N upward B. 50 N downward C. 25 N downward D. 50 N upward

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12. A 10 kg block is placed on a rough surface with a coefficient of kinetic friction of 0.3. What is the force of friction acting on the block? (g = 10 m/s²)

A. 20 N B. 30 N C. 60 N D. 10 N

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13. A car of mass 1000 kg is moving with a speed of 20 m/s. What is the force required to stop the car in 10 seconds?

A. 4000 N B. 2000 N C. 500 N D. 1000 N

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14. A bullet of mass 10 g is fired with a velocity of 400 m/s. What is its momentum?

A. 0.4 kg m/s B. 4 kg m/s C. 400 kg m/s D. 40 kg m/s

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15. What is the SI unit of momentum?

A. Ns B. kg m/s C. N D. Both B and C

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16. Two blocks of masses 4 kg and 6 kg are placed in contact on a smooth horizontal surface. A force of 30 N is applied on the 4 kg block. What is the acceleration of the system?

A. 5 m/s² B. 3 m/s² C. 2 m/s² D. 10 m/s²

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17. If a body is in equilibrium, the net force acting on it is:

A. Maximum B. Zero C. Minimum D. Infinity

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18. A lift of mass 2000 kg is accelerating downwards with an acceleration of 2 m/s². What is the tension in the cable? (g = 10 m/s²)

A. 20000 N B. 18000 N C. 22000 N D. 16000 N

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19. Two blocks of masses 2 kg and 4 kg are connected by a light string over a frictionless pulley. The system is released from rest. What is the tension in the string? (g = 10 m/s²)

A. 30 N B. 10 N C. 20 N D. 40 N

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20. A bullet of mass 0.05 kg is fired with a velocity of 100 m/s into a wooden block of mass 4.95 kg at rest. What is the velocity of the system after the collision?

A. 5 m/s B. 1 m/s C. 2 m/s D. 4 m/s