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प्रश्न
Complete the following sentences:
Joule is the unit of .......
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उत्तर
Joule is the unit of work
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संबंधित प्रश्न
A force acts on a body and displaces it by a distance S in a direction at an angle θ with the direction of the force. What should be the value of θ to get the maximum positive work?
The energy of a body is its capacity to do .........
The S.I. unit of work is
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.
Is work a scalar or a vector quantity?
Is work done a scalar or a vector physical quantity?
Name the CGS unit of work.
What do you understand by ‘potential energy’? Give three examples to illustrate your answer.
If a ball is dropped on the sloping roof of a house, it acquires ______ and falls on the ground. That is the transformation of ______ energy into ______ energy takes place.
(kinetic, potential, motion)
State whether work is done or not, by writing yes or no, in the following case:
A man pushes a wall.
