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प्रश्न
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
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उत्तर
The energy of a body in motion is called it's kinetic energy. It is defined as follows :
Kinetic energy of a body is the energy possessed by it due to its state of motion.
Actually, it is the work done on the body bringing it to the state of motion. In short form it is written as K.E. or K.
Example: In a swinging pendulum moving to and fro, the bob has the kinetic energy.
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संबंधित प्रश्न
Can a body possess energy even when it is not in motion ? Explain your answer with an example.
Give one relevant example for the following transformation of energy:
Electrical energy to mechanical energy.
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A cocked up spring of air gun.
What kind of energy is possessed in a situation when?
An electron spinning around the nucleus.
State two advantages and two disadvantages of using hydro-energy for producing electricity.
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Give one example when:
Chemical energy to electrical energy.
