51. . . . . . . . . is never alone in nature-
52. Which of the following quantity does not change even after changing place?
53. An object of mass 30 kg is moving at a uniform velocity of 5 m/s. What is the kinetic energy of the object?
54. An object of mass 20 kg is moved with an acceleration of 4m/s2. Calculate the amount of force applied to it.
55. Which one of the following is not related to this group?
56. A boy of 50 kg mass climbs 40 stairs in 10 seconds. If the height of each stair is 15cm, then calculate his power. (g = 10ms-2)
57. Two steel balls of mass 5 kg and 10 kg have same kinetic energy, which ball is moving fast.
58. The . . . . . . . . of an object is fixed and does not change when it is moved.
59. Which of the following statements will be applicable when an object of 10 kg mass capable of free to move can exert a force of 10 Newton?
60. A man pushes a wall and fails to displace it. He does
Read More Section(Work, Energy and Power)
Each Section contains maximum 100 MCQs question on Work, Energy and Power. To get more questions visit other sections.