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Question : 82 of 150
Marks:
+1,
-0
Solution:
CONCEPT:
- Power (P): The rate of work done is called power.
- The SI unit of power is the watt (W).
- Force: It is the push or pulls off an object. Push and pull come from the objects interacting with one another.
- Energy: An object having the capability to do work is said to possess energy.
- Energy has the same unit as that of work.
- Energy exists in nature in several forms such as kinetic energy, potential energy, heat energy, chemical energy, etc. The sum of the kinetic and
- potential energies of an object is called mechanical energy.
- Energy is the capacity to do work or to produce heat.
EXPLANATION:
- The rate of doing work is called power. So option 3 is correct
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