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प्रश्न
Work done by a boy depends on the time in which he does work.
पर्याय
True
False
MCQ
चूक किंवा बरोबर
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उत्तर
False.
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संबंधित प्रश्न
A weight lifter lifted a load of 200 kgf to a height of 2.5 m in 5 s. Calculate:
- the work done, and
- the power developed by him. Take g = 10 N kg-1
What is the work done against gravity when a body is moved horizontally along a frictionless surface?
When do we say that work is done? Write the formula for the work done by a body in moving up against gravity. Give the meaning of each symbol which occurs in it.
The work done on an object does not depend on ______.
Does the earth move around the sun with a uniform velocity?
Is work done a scalar or a vector physical quantity?
What is the P.E. of a body lying on the surface of the earth?
Can we destroy every energy associated with a body?
Name the practical unit of power.
What is work?
