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प्रश्न
kWh is the unit of ______.
पर्याय
Power
Force
Energy
None of these
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उत्तर
kWh is the unit of energy.
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संबंधित प्रश्न
State the condition when the work done by a force is positive. Explain with the help of examples.
When a body moves in a circular path, how much work is done by the body? Give reason.
(Hint: The body is acted upon by the centripetal force.)
A satellite revolves around the earth in a circular orbit. What is the work done by the force of gravity? Give reason.
Give an example when work done by the force of gravity acting on a body is zero even though the body gets displaced from its initial position.
Name the quality which is measured in kW.
Is it possible that no transfer of energy may take place even when a force is applied to a body?
What is the S.I. unit of work? Define it.
What happens to the power if the time for doing work is reduced from t second to t/10 second?
Derive a relation between the S.I. and C.G.S. unit of force.
