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प्रश्न
Give one example in which a force does zero work.
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उत्तर
Work done by the earth on a satellite moving around the earth is zero, as the direction of the motion of the satellite is always perpendicular to the direction of the gravitational force.
संबंधित प्रश्न
The moon is revolving around the earth in a circular path. How much work is done by the moon?
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The work done on an object does not depend on the :
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(a) Define power and name its unit.
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Fill in the boxe to show the corresponding energy transformation.
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Write the two main conditions are needed for work to be done?
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.
