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1. A car of mass 1000 kg accelerates from rest under a force of 2000 N. What is its acceleration?

A. 1 m/s² B. 2 m/s² C. 3 m/s² D. 0.5 m/s²

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2. A lift of mass 1000 kg is accelerating upwards with an acceleration of 2 m/s². What is the tension in the supporting cable? (g = 10 m/s²)

A. 12000 N B. 14000 N C. 2000 N D. 10000 N

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3. A block of mass 5 kg is placed on a rough horizontal surface. If the coefficient of friction is 0.4, what is the maximum frictional force? (g = 10 m/s²)

A. 20 N B. 10 N C. 15 N D. 25 N

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4. A car is moving on a circular track of radius 50 m with a constant speed of 10 m/s. What is the centripetal force acting on the car if its mass is 500 kg?

A. 1000 N B. 5000 N C. 2000 N D. 2500 N

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5. A body of mass 2 kg is dropped from a height of 10 m. What is the net force acting on it during the fall? (g = 10 m/s²)

A. 20 N B. 10 N C. 2 N D. 15 N

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6. What is the inertia of a body?

A. Its ability to resist acceleration B. Its ability to resist changes in its state of motion C. Its ability to change direction D. Its ability to move

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7. A force of 100 N is applied at an angle of 45° to the horizontal on a block of mass 10 kg. What is the vertical component of the force?

A. 50 N B. 100 N C. 70.7 N D. 35.3 N

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8. A ball of mass 1 kg is thrown vertically upwards with a velocity of 10 m/s. What is the maximum height it can reach? (g = 10 m/s²)

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

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9. Which quantity is conserved when no external force acts on a system?

A. Velocity B. Acceleration C. Force D. Momentum

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10. A car of mass 500 kg is moving with a speed of 20 m/s. What is the required force to bring it to rest in 5 seconds?

A. 2000 N B. 5000 N C. 1000 N D. 2500 N

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11. A ball of mass 0.5 kg is thrown vertically upward with a speed of 20 m/s. What is its momentum at the highest point? (g = 10 m/s²)

A. 0 kg m/s B. 5 kg m/s C. 10 kg m/s D. 20 kg m/s

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12. A block of mass 10 kg is placed on a rough horizontal surface. The coefficient of static friction is 0.5. What is the minimum force required to move the block? (g = 10 m/s²)

A. 40 N B. 80 N C. 50 N D. 60 N

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13. What does Newton's Third Law of Motion state?

A. Objects in motion remain in motion B. Force is proportional to acceleration C. For every action, there is an equal and opposite reaction D. Gravitational force acts between two masses

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14. Two blocks of masses 3 kg and 5 kg are connected by a light string over a frictionless pulley. The system is released from rest. What is the acceleration of the system? (g = 10 m/s²)

A. 2.5 m/s² B. 5 m/s² C. 1.25 m/s² D. 7.5 m/s²

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15. If no net external force acts on a body, its momentum:

A. Remains constant B. Increases C. Decreases D. Becomes zero

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16. A block of mass 5 kg is acted upon by a force of 20 N. If the block moves with a uniform velocity, what is the force of friction acting on it?

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

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

A. 4000 N B. 16000 N C. 20000 N D. 24000 N

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18. A block of mass 5 kg is sliding down a smooth inclined plane of angle 30°. What is the acceleration of the block? (g = 10 m/s²)

A. 2.5 m/s² B. 5 m/s² C. 8.66 m/s² D. 10 m/s²

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19. The SI unit of force is:

A. Newton B. Joule C. Watt D. Kilogram

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20. A force of 50 N acts on a body of mass 10 kg for 2 seconds. What is the change in velocity of the body?

A. 15 m/s B. 5 m/s C. 20 m/s D. 10 m/s