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प्रश्न
Choose one or more correct alternatives.
Joule is the unit of ______.
- force
- work
- power
- energy
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उत्तर
Joule is the unit of work and energy.
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संबंधित प्रश्न
An object thrown at a certain angle to the ground moves in a curved path and falls back to the ground. The initial and the final points of the path of the object lie on the same horizontal line. What is the work done by the force of gravity on the object?
Derive a relationship between S.I. and C.C.S. unit of work
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A machine raises a load of 750 N through a height of 16 m in 5 s. calculate:
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- power at which the machine works.
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Fill in the blank with suitable word :
1 joule is the work done when a force of 1 __________ moves an object through a distance of one __________ in the direction of __________.
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P, Q and R are three forces which act as shown in fig.

The point O lies in the same plane. Given, P = Q = R = 10N
(i) Which force has the least moment about O? Give a reason.
(ii)Which force has the greatest moment about O? Give a reason.
What is the ratio of SI units to CGS units of 'work'?
Name the physical quantity whose MKS units are kgm2s-3.
Fill in the boxe to show the corresponding energy transformation.

