1. A train travels east at an average speed of 30 m/s. How far does the train travel in 6 seconds?

2. A car accelerates uniformly from rest on a straight road to a speed of 30 m/s in 15 seconds. What is the distance covered in 10 seconds?

3. The position-time graph of an object is shown below. What is the velocity of the object when time t = 2.5 seconds? (picture attached #1)

4. The velocity-time graph of an object is shown below. How far does the object travel in the time interval t= 4 s to t = 6 s? (picture attached #2)

5. A stone is dropped from the top of a building. What is its velocity after 2 seconds?

6. A car with a velocity of 25 m/s comes to rest in 10 seconds by applying brakes with a constant braking force. How far does the car travel in those 10 seconds?

7. Which of the following is a scalar quantity?

8. A man walks B km east and then C km west. What is the resultant of B and C?

9. A bullet is fired at 50 m/s at an angle of 30° with respect to horizontal. What is the y-component of the velocity of the bullet?

10. A baseball is thrown at an angle of 30° with respect to the ground and it reaches the ground in 2 seconds. What is its initial velocity of baseball?

11. Car A travels with the speed of 6 m/s and car B travels with speed of 10 m/s in the opposite direction. What is the speed of Car B with respect to Car A?

12. Which of the following expressions is correct for force?

13. A child pulls a wagon with a force F at an angle ɵ with respect to the horizontal. Which of the following free body diagrams is correct?

14. A force of 5 N produces an acceleration of 2 m/s² on the object. What is the mass of the object?

15. A body of mass 10 kg is placed on a table. What is the normal force exerted by the table?

16. The frictional force acting on a 0.5 kg object and a floor is 3 N. What is the coefficient of friction between the object and the floor?

17. The coefficient of static friction between a 4 kg block and a table is 0.4. Which of the following statements is correct if the block is pulled by a force of 6 N?

18. Pushing a body of 2.5 m on a rough floor constitutes 10 J of work. Which of the following statements is correct?

19. A body of mass 0.3 kg is raised to attain a potential energy of 5.88 J. What is its height?

20. Which of the following statements represent the work-energy theorem?

21. An engine in a toy plane moves the plane through a distance of 2 m in 2 seconds by exerting a constant force of 3 N. How much power does the engine exert?

22. A 0.2 kg stone dropped from a height takes 2 seconds to reach the ground. What is the rate of work done by gravity on the stone?

23. The kinetic energy of a stone is 5.88 Joules at the time of projection. What maximum height does the 0.2 kg stone reach?

24. What happens to the mass of a ball if its momentum is doubled?

25. A shell fired into the air explodes into two equal fragments. Which of the following is conserved?

26. Ball A moving along a straight line at 2 m/s collides elastically with ball B of same mass moving at -3 m/s. What is the velocity of the balls A and B after collision?

27. A car experiences a centripetal acceleration of 9 m/s² when it negotiates a curved level road of radius 4 m. What is its tangential velocity?

28. Which of following statements is true according to Kepler's law of planetary motion in the figure shown below? (picture attached #3)

29. Where should the force be applied to a lever arm in order to produce a maximum torque?

30. Which of the following expresses Newton's universal law of gravitation?

31. Why does an astronaut weigh less on the Moon than on Earth?

32. When an elevator is in a state of free fall, which of the following is correct for the reading shown by a scale in the elevator?

33. A man exerts a force of 250 N along the inclined plane to load 1000 N crate into a truck. What is the mechanical advantage of the inclined plane?

34. Which thermodynamic process takes place at a constant temperature so that the internal energy of the system remains unchanged?

35. A gas undergoes an adiabatic change. Which of the following does not remain constant?

36. A gasoline engine receives 250 J of energy from combustion and loses 200 J as heat energy to the exhaust. What is its efficiency?

37. When heat is added to a system, its internal energy increases by 5 J. What is the amount of heat added to a system if the system does 18 J of work?

38. How much heat is required to increase the temperature of 2 kg water from 25° C to 30° C?

39. Which of the following systems have high entropy?

40. In a heat engine, represents high temperature substance and low temperature substance respectively. Which of the following expressions is correct for the efficiency of the heat engine?

41. An engine takes 8×10⁵ J of heat and expels 6×10⁵ J of heat in each cycle of operation. What is its efficiency?

42. 83.6 kJ of heat is supplied to 2 kg of water (c =4160 J/kg° C). What is the increase in the temperature of water?

43. A 0.125 kg ball is projected with a velocity of 20m/s at an angle of 20° with respect to the horizontal. How much time does the ball take to reach the ground?

44. A 0.125 kg ball is launched with a velocity of 20m/s at an angle of 20° with respect to the horizontal. What is the momentum of the ball when it is at the maximum height?

45. The velocity-time graph for a two-stage rocket is shown below. Use the graph and your understanding of slope calculations to determine the acceleration of the rocket during the following time interval. (picture attached #4)