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प्रश्न
Can a body possess energy even when it is not in motion ? Explain your answer with an example.
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उत्तर
Yes, a body possesses energy even when it is not in motion ;
Consider a body raised to a certain height say h. It its velocity is zero. Kinetic energy will be zero but the body will have.
P.E. = mgh
Thus, a body may possess energy even though it is not in motion.
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संबंधित प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A compressed spring.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving bus
Name the form of energy which a body may possess even when it is not in motion. Give an example to support your answer.
Name the two groups in which various sources of energy are classified. State on what basis are they classified.
What is a solar cell?
State two advantages of using nuclear energy for producing electricity.
State the energy changes which take place when:
A bulb glows, when torchlight is switched on.
State the energy changes which take place when:
Burning of coal.
Give one example when:
Kinetic energy changes to heat energy.
Can you tell?
What are the various forms of energy?
