71. An 8 kg iron ball and an 3 kg aluminium ball are dropped from a height of 20 meters. Which of the following quantity amount will be same in them above 10 m height from the ground?
72. A force of 125 N is acting on an object, that object is moved up to 5 m in the direction of the force, what will be the work done by the force.
73. . . . . . . . . particles have a greater kinetic energy-
74. A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum
75. What is wrong statement about kinetic energy?
76. When a body falls freely under gravity then the work done by gravity is
77. Capacity of doing work is known as-
78. If the work done is negative, then what will be the angle between the force and displacement?
79. A constant force acts on an object of mass 5 kg for a period of 2 seconds. This increases the velocity of the object from 4 ms-1 to 7 ms-1. Find the amount of force used.
80. What does the kinetic energy equal?
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.