Question

a body is dragged on a horizontal surface its potential energyincreases or remain same ​

Answer 1

Work done by pure rolling is always zero. It is because there is no displacement by force (in case of rolling it is friction). Only in case of rolling with sliding, friction does work.....

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Answer 2

Answer:

Potential energy due to the position of an object above Earth's surface is called gravitational potential energy. Like the driver on the driving board, anything that is raised up Above the Earth's surface has the potential to fall because of gravity.

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