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प्रश्न
Name the force acting away from the centre of circular path.
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उत्तर
Centrifugal force acts away from the centre of circular path.
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संबंधित प्रश्न
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.
Write the formula for work done on a body when the body moves at an angle to the direction of force. Give the meaning of each symbol used.
A bullet is of mass 'm' g and is moving with a velocity 'v' m/s. Find the kinetic energy of the bullet when
(a) The mass is doubled,
(b) The velocity is tripled.
A force is applied on a body of mass 20 kg moving with a velocity of 40 ms−1. The body attains a velocity of 50 ms−1 in 2 seconds. Calculate the work done by the body.
The weights of two bodies are 2.0 N and 2.0 kgf respectively what is the mass of each body?
One labourer carried four pans of road metal through a distance of 100 metres. If he carries two pans of road metal through a 200 metre distance ______ work will be done.
State whether work is done or not, by writing yes or no, in the following case:
A man pushes a wall.
