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प्रश्न
Name the physical quantity whose MKS units are kgm2s-3.
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उत्तर
Power
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संबंधित प्रश्न
Work done by a boy depends on the time in which he does work.
In which of the following cases is work being done:
- A boy pushing a heavy rock
- A boy climbing up the stairs
- A coolie standing with a box on his head
- A girl moving on the road.
A force of 30 N acts on a body and moves it through a distance of 5 m in the direction of force. Calculate the work done by the force.
Can every force produce work?
Complete the following sentences:
1 H.P. = ........ W.
A boy pulls a box up to 10 m with a force of 5 kgf. Calculate the work done by him.
In the following case write yes, if the work is being done and no if no work is being done.
A coolie standing with a heavy load on his head
What do you understand by the term energy? Is energy a scalar or vector? How is the energy possessed by a body measured?
The work done by the heart is 1 Joule per beat. Calculate the power of the heart if it beats 72 times in one
