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

A. 10000 N B. 16000 N C. 12000 N D. 14000 N

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2. A block of weight 100 N is resting on a horizontal surface. The coefficient of static friction is 0.4. What is the maximum horizontal force that can be applied without moving the block?

A. 50 N B. 70 N C. 60 N D. 40 N

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3. A block of mass 10 kg is placed on a smooth horizontal surface. A force of 50 N is applied horizontally. What is the acceleration of the block?

A. 2.5 m/s² B. 5 m/s² C. None of these D. 10 m/s²

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4. A car is moving with a uniform velocity of 20 m/s. What is the net force acting on it?

A. 20 N B. 10 N C. 0 N D. 40 N

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5. A car of mass 1000 kg moves with an acceleration of 2 m/s². What is the net force acting on it?

A. 1000 N B. 500 N C. 1500 N D. 2000 N

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6. A force of 100 N is applied at an angle of 30° to the horizontal on a block of mass 10 kg placed on a smooth surface. What is the horizontal component of the force?

A. 86.6 N B. 50 N C. 100 N D. 43.3 N

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7. A block of mass 2 kg is moving with a velocity of 4 m/s. What is its kinetic energy?

A. 8 J B. 32 J C. 24 J D. 16 J

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8. A lift of mass 1500 kg is accelerating upwards with an acceleration of 1 m/s². What is the tension in the supporting cable? (g = 10 m/s²)

A. 15000 N B. 18000 N C. 13500 N D. 16500 N

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9. The rate of change of momentum is equal to:

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

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10. A particle of mass 2 kg is moving with a velocity of 4 m/s. What is the work required to stop the particle?

A. 32 J B. 4 J C. 8 J D. 16 J

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11. A force of 50 N is applied on a block of mass 5 kg resting on a smooth surface. What is the work done by the force in 5 seconds?

A. 500 J B. 1250 J C. 250 J D. 625 J

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12. A force of 10 N is applied on a body of mass 2 kg. What is the displacement of the body in 2 seconds, starting from rest?

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

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13. A 500 kg car is moving around a circular track of radius 50 m with a speed of 20 m/s. What is the centripetal force acting on the car?

A. 6000 N B. 8000 N C. 4000 N D. 5000 N

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14. A block is kept on a frictionless horizontal surface. If a force of 10 N is applied, the block moves with an acceleration of 2 m/s². What is the mass of the block?

A. 10 kg B. 20 kg C. 2 kg D. 5 kg

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15. A force of 100 N is applied at an angle of 60° to the horizontal on a block of mass 20 kg. What is the horizontal component of the force?

A. 43.3 N B. 50 N C. 100 N D. 86.6 N

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16. A force of 20 N is applied at an angle of 45° to the horizontal on a block of mass 4 kg placed on a smooth surface. What is the net acceleration of the block?

A. 5 m/s² B. 3 m/s² C. 4 m/s² D. 2 m/s²

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17. Two blocks of masses 4 kg and 6 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. 6 m/s² B. 4 m/s² C. 10 m/s² D. 2 m/s²

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18. A block of weight 200 N is resting on a horizontal table. The coefficient of static friction is 0.4. What is the minimum horizontal force required to move the block?

A. 100 N B. 80 N C. 120 N D. 200 N

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19. Two forces of 20 N and 30 N are acting on a body at an angle of 90°. What is the resultant force?

A. 36 N B. 50 N C. 25 N D. 35 N

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20. A block of mass 5 kg is pulled on a rough surface with a force of 50 N at an angle of 30° to the horizontal. If the coefficient of friction is 0.4, what is the acceleration of the block? (g = 10 m/s²)

A. 2 m/s² B. 3 m/s² C. 1 m/s² D. 4 m/s²