Define 1joule. List two essential condition for work to be done

1.	Define 1joule. List two essential condition for work to be done
Answer» One joule of work is said to be done on an object when a force of 1N displaces the object by 1 m along the line of action of force.\xa0Whenever a force makes a body move, then work is said to be done. For doing work, energy is required. Work is said to be done when force produces motion. \xa0

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