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संबंधित प्रश्न
When do we say that work is done?
Explain briefly why the work done by a fielder when he takes a catch in a cricket match is negative.
What is the work done by the moon when it revolves around the earth?
A boy tries to push a truck parked on the roadside. The truck does not move at all. Another boy pushes a bicycle. The bicycle moves through a certain distance. In which case was the work done more : on the trick or on the bicycle? Give a reason to support your answer.
A girl is carrying a school bag of 3 kg mass on her back and moves 200 m on a levelled road. If the value of g be 10 m/s2, the work done by the girl against the gravitational force will be :
Why is the work done on an object moving with uniform circular motion zero?
Name the force acting away from the centre of circular path.
Give two examples of work done.
How fast should a boy weighting 30 kg run so that his kinetic energy is 375 joule?
