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प्रश्न
What kind of energy is possessed in a situation when?
A shooting arrow.
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उत्तर
Kinetic Energy.
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संबंधित प्रश्न
Fill in the blank
An object falling freely from the roof of a multistorey building has ________ and _________ energy when halfway down the building.
Name five different forms of energy.
State two factors on which the kinetic energy of a moving body depends.
Name the type of energy (kinetic or potential) possessed by the following:
A bullet fired from a gun.
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
Give one example to show that the sum of potential energy and kinetic energy remains constant if friction is ignored.
Write an expression for the potential energy of a body of mass m placed at a height h above the earth's surface. State the assumptions made, if any.
Name the form of energy which a body may possess even when it is not in motion. Give an example to support your answer.
State the energy changes which take place when:
In a heat engine.
Show that in case of a body falling freely under gravity, total mechanical energy remains conserved (neglect air resistance).
