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संबंधित प्रश्न
The S.I. unit of work is
What do you mean by degradation of energy?
A force of 50 N acts on a body and moves it a distance of 4 m on horizontal surface. Calculate the work done if the direction of force is at an angle of 60° to the horizontal surface.
When you move upstairs, do you perform some work?
Write an expression for the work done against gravity.
State the energy changes which take place when A piece of magnesium wire is burnt in a jar of oxygen.
State the amount of work done by an object when it moves in a circular path for one complete rotation. Give a reason to justify your answer.
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.
A bucketful of water is to be drawn from a well ______ will be done when a ______ is applied to do this because there will be a ______ of water.
(displacement, work, force)
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
A donkey is carrying a load on its back.
