51. The force of 25 N is working on an object, that object is moved in the direction of force by 5 m, the work done by the force is:
52. What is working rate or energy transfer rate?
53. As the train starts moving, the head of the passenger sitting inside leans backward because of
54. If the velocity is doubled, then
55. The bullet fired from the gun goes deep inside the target because it has-
56. Following given example represent-
1. A high speed pebble can hurt a person or break a window glass.
2. Energy of a moving vehicle
3. Fast moving air can damage many homes
4. Wind can drive the wind mill
1. A high speed pebble can hurt a person or break a window glass.
2. Energy of a moving vehicle
3. Fast moving air can damage many homes
4. Wind can drive the wind mill
57. When an object of 11kg is placed at a height of 7m from the ground, how much energy it will contained?
58. Which one of the following statements about energy is correct?
59. An object of 1 kg, raised 10m above the surface of earth then work done by gravitational force will- (g = 9.8 m/s2)
60. How is power interpreted?
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