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प्रश्न
Fill in the blank with suitable word :
Work is measured as a product of __________ and __________
उत्तर
Work is measured as a product of force and distance.
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संबंधित प्रश्न
An electron emitter must have _____________ work function and ___________ melting point.
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Work done = Force × ........................................
The S.I. unit of energy is .............
When is work said to be done by a force?
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(a) Define power and name its unit.
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Give an example
Chemical energy changes to heat energy.
What are the advantages and disadvantages of using solar cells for producing electricity?
How long should an electric motor, of power 2 H.P. operate, so as to pump 5 m3 of water from a depth of 15m. [Take g = 10 N kg−1]
A water pump raises 50 kg of water through a height of 25 m in 5s. Calculate the power supplied by the pump (Take: g = 10 N kg−1).
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(kinetic, potential, motion)
