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संबंधित प्रश्न
Name a common device where a gear train is used
Derive a relationship between S.I. and C.C.S. unit of work
Define work.
A coolie is moving on a road with a luggage on his head. Does he perform work against the force of gravity? Give reason for your answer.
State the S.I. unit of work and define it.
How is work related to energy?
Differentiate between energy and power.
The work done on an object does not depend on the :
How many joules are there in 1 mega joule?
No work is done by a man moving on a horizontal road while carrying a box on his head. Explain.
A body does 20 J of work in 10 s. What is its power?
Define energy and state the unit of energy and the law of conservation of energy.
Fill in the boxe to show the corresponding energy transformation.
Fill in the boxe to show the corresponding energy transformation.
State the energy changes which take place when A stone dropped from the top of a cliff reaches the ground after some time.
