Question

what is work done? how work done be positive, negative and zero​

Answer 1

Answer:

Positive work: when force and displacement are in the same direction, the work performed on an object is said to be positive work. Zero work: When force and displacement are perpendicular to each other, or when force or displacement is zero. ...

Answer 2

Explanation:

Positive work: when force and displacement are in the same direction, the work performed on an object is said to be positive work. Zero work: When force and displacement are perpendicular to each other, or when force or displacement is zero