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प्रश्न
What do you understand by mechanical energy?
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उत्तर
The energy possessed by the body due to its state or its motion is called mechanical energy.
संबंधित प्रश्न
What name is given to the heat energy obtained from hot rocks inside the earth?
Name the two groups in which various sources of energy are classified. State on what basis are they classified.
What happens to the K.E. when
(i) the mass of the body is doubled at a constant velocity and
(ii) the velocity of the body is doubled at constant mass?
State the energy changes which take place when:
A bulb glows, when torchlight is switched on.
State the energy changes which take place when:
A magnesium ribbon burns in air.
Give one example when:
Potential energy changes to electric energy.
Give one example when:
Chemical energy to electrical energy.
What is the difference between the solid, liquid, and gaseous states of a substance?
