Force and Motion Mdcat Mcqs Online test 1

1. A ball is thrown with 50 m/s , after 4th second its velocity will be?

2. Which of the following is contact force:

3. Ball bearing...........the friction.

4. A ball is dropped from the height of 125 m it is caught by a person after 3 s , after it re-falls. Total time of flight is:

5. A ball is dropped from the height of 125 m it is caught by a person after 3 s , after it re-falls in which time it reach to the ground.

6. A ball is dropped from the height of 125m,  at which velocity it hits the ground.

7. A ball is dropped from the height of 125 m how much  time will it take to reach the  ground?

8. What will its initial velocity when time of flight is 1 s :

9. A  ball is dropped from some height after three seconds how much it fallen:

10. If ball is thrown with 50m/s upward then what will be its Time of flight?

11.

when two bodies stick together after collision, the collision is said to be

12. The center of mass ________

13.

When a person walks along east, the force of friction is along :

14. A point at which the whole mass of the object appears is known as ________

15. A body is said to be in _____________ equilibrium if its center of gravity lies above from the point of suspension

16. A point at which the whole weight of the object appears is known as _____

17. A body is said to be in __________ equilibrium if its center of gravity lies at the point of suspension.

18. Anticlockwise torques are taken as __________

19. A body starts from a point and returns back to same point,  then its :

20. A graph  is drawn with force along y-axis and time x-axis. The area under graph represents:

21. in elastic collision, 100% energy transfer takes place when :

22. Newton’s 2nd Law of motion establishes relationship between:

23. A force of 10 N acts on a body for 5 sec. What will be the change in momentum ?

24. When a ball is thrown straight up with no air resistance , the acceleration at its highest point:

25. The speed of a car weighing 1500 kg increases from 36km/h to 72km/h uniformly. What will be the change in momentum the car ?

26. A car accelerates for 4.0m/s to 20 m/s in 5.0s. Calculate the acceleration of the car:

27. When a body is stationary:

28. When you walk across the ground and push on it with your feet

29. What unit do scientists use to measure force?

30. slope for v-t time graph for uniform velocity is :

31. Rocket works on the principle of :

32. A train length of 100m , moving at a speed of 90km/h, can cross a 200m bridge in:

33. A car driver applies a brake , what change will occur in the motion of car:

34. S.I unit of coefficient of friction:

35. A ball is dropped from the top of tower. Ball reaches the ground in 4 sec , velocity of ball as it strikes the ground:

36. Change in momentum of falling body is:

37. Ratio between limiting and normal reaction is called:

38. Rate of change of linear momentum of free falling body is equal to:

39. If an object is moving with constant acceleration, F_net acting on body is :

40. what must change when body is accelerating:

41. Two bodies of same masses are hanged vertically the tension in the string is equal to:

42. Area under velocity time graph represents:

43. The momentum of body changes from 50N.S to 25N.S in 5 S. Find the impulse

44. A car accelerates uniformly from 5m/s to 10 m/s at 2m/s². Find the distance it travels:

45. In an explosion a body breaks up into pieces of unequal masses. In this case:

46. : Force on a object when the ratio between change in linear momentum and time is 10N.s/s :

47. Time rate of change of linear momentum is :

48. If a leaf and coin dropped together in a vaccum:

49. Ball is moving upward, what is acceleration at the top of path:

50. Speed of body change with time in particular direction is known as: