Question

Work done by a conservative force in bringing a body from infinity to A is 60 J and to B is 20J. What is the difference in potential energy between point A and B, i.e. `U_(B)-U_(A)`.

Answer 1

Correct Answer - D
`U_(A) =-60J`
`U_(B) =-20J`
` :. U_(B)-U_(A) =40J`