Question

define work discuss positive negative and zero work done

Answer 1

Explanation:

Work is done when energy is been applied. and force and displacement are applied with the concept of work done.

negative work is done when force and displacement takes place in opposite directions. And Zero work done when the object acts perpendicular to the force..

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Answer 2

Answer:

Work done is of three types:

Explanation:

positive work :

when the force and displacement are in the same direction then the work is said to be positive.

Negative work:

when the force and the displacement are in opposite direction .

Zero work:

Work done is said to be zero if force and displacement are perpendicular to each other.