Question

Explain types of work done with examples

Answer 1

Answer:

Work done can be of three types: positive, negative and zero...

Explanation:

Positive: When the force acted on a body and displacement are in the same direction then work done is positive... Ex, When a person pushes an object....

Negative: when the force acted on a body and displacement are in the opposite direction then work done is negative.... Ex, when a string is pulled and then left... Moves forward i.e. in the opposite direction....

Zero: when the force acted on a body and displacement are in perpendicular direction then work done is zero.... Ex, When a coolie is carrying load on his head and moving straight....

Hope it helps...!!