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प्रश्न
________ is said to be done when a force is acting on it.
विकल्प
Ramp
Simple machines
Work
Energy
Pulley
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उत्तर
Work is said to be done when a force is acting on it.
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संबंधित प्रश्न
A man lifts a mass of 20 kg to a height of 2.5 m. Assuming that the force of gravity on 1 kg mass is 10 N, find the work done by the man.
What is the condition for a force to do work on a body?
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.
Choose one or more correct alternatives.
Joule is the unit of ______.
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- work
- power
- energy
Name the force acting away from the centre of circular path.
A boy does work when he pushes against a brick wall. (yes/no).
What is the SI unit of work?
Name the physical quantity whose MKS units are kgm2s-3.
Fill in the boxe to show the corresponding energy transformation.
