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प्रश्न
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in a car going uphill.
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उत्तर
- Kinetic energy to potential energy (because the vehicle is approaching a specific height).
- Chemical energy to Kinetic energy (because the car is in motion).
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संबंधित प्रश्न
State the energy changes that occur in the following :
Burning coal while operating a steam engine.
State the energy changes that occur in the following :
An electric generator (or dynamo).
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in respiration.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the burning of a match stick.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the Explosion of crackers.
State the energy changes in the following case while in use:
loudspeaker
State the energy changes in the following case while in use:
A solar cell
State the energy changes in the following case while in use:
A petrol engine of a running car
Can any object have mechanical energy even if its momentum is zero? Explain.
A light and a heavy object have the same momentum. Find out the ratio of their kinetic energies. Which one has larger kinetic energy?
