41. Which of the following is not a vector quantity?
42. Work done by a man standing on a platform holding 10kg suitcase is-
43. Work is done on a body only when-
44. An object of mass 30 kg is being transferred by 10 m/s uniform velocity. What is the kinetic energy of an object?
45. What is the work done if the angle between applied force and the direction of the displacement is 90°?
46. An object of 12 kg is placed at a certain height from the ground. If the potential energy of the object is 600 J, find the height of the object with respect to ground. (g = 10 ms-2)
47. Calculate the acceleration produced when a force of 100 N is applied to an object of mass 50 kg.
48. There is a body falling from a mountain has?
49. To say that the work has been done, two conditions must be completed, one of them is-
50. An object of mass 14kg is moving at the velocity of 5m/s. Find the kinetic energy contained in an object?
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.