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प्रश्न
State the energy changes which take place when:
A toy car spring is wound and car is made to run on level floor.
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उत्तर
The mechanical energy changes to potential energy during winding. The potential energy is then released in the form of kinetic energy.
संबंधित प्रश्न
Give one relevant example for the following transformation of energy :
Electrical energy to light energy.
Give one relevant example for the following transformation of energy :
Chemical energy to light energy.
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is at the highest point .
How is wind energy used to produce electricity?
State the energy changes which take place when:
An air gun is loaded and then fired.
Give one example when:
Light energy changes to chemical energy.
Give one example when:
Kinetic energy to potential energy.
Two bodies, A and B of equal mass are kept at heights 20 m and 30 m respectively. Calculate the ratio of their potential energies.
Use your brain power!
Why do tablets of camphor decrease in size day by day?
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A compressed spring
