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प्रश्न
The energy of a body is its capacity to do .........
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उत्तर
The energy of a body is its capacity to do work.
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संबंधित प्रश्न
Name a common device where a gear train is used
No work is done by a force if the body
State two conditions when no work is done by a force.
State the S.I. unit of work and define it.
It takes 20 s for a person A of mass 50 kg to climb up the stairs, while another person B does the same in 15 s. Compare the work done.
A girl is carrying a school bag of 3 kg mass on her back and moves 200 m on a levelled road. If the value of g be 10 m/s2, the work done by the girl against the gravitational force will be :
Does the total energy of a body always remain constant?
Name four different forms of energy.
Define one horse power.
Name the CGS unit of work.
