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प्रश्न
What kind of energy is possessed in a situation when?
A stone, in a stretched catapult.
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उत्तर
Potential Energy.
संबंधित प्रश्न
Give one example of a body that has potential energy, in due to its state.
Can a body possess energy even when it is not in motion ? Explain your answer with an example.
Give one example to show the conversion of potential energy to kinetic energy when put in use.
A body of mass m is moving with a velocity v. Write the expression for its kinetic energy.
Select the renewable and non-renewable sources of energy from the following:
Wood
What is a solar cell?
State the energy changes which take place when:
An air gun is loaded and then fired.
Show that in case of a body falling freely under gravity, total mechanical energy remains conserved (neglect air resistance).
A ball of mass 200 g falls from a height of 5 m. What will be its kinetic energy when it just reaches the ground? (g = 9.8 m s−2)
A body of mass m is taken from a height h to 2h. What is the increase in its potential energy?
