9) What do you mean by the rate of work done?
10) What is the collision when two bodies stick together after the collision?
11) What do you mean by the third order of levers?
12) What changes is done by a dynamo?
13) Which is the main source of energy to earth?
14) If velocity of a moving body is made 3 times, what happens to its kinetic energy?
15) Write an example of a third order of lever.
16) Write an example of second order.
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