question_answer

In which one of the following cases negative work is done by a force applied on an object?

A) When the angle between the direction of force and the direction of displacement is \[0{}^\circ \]

B)  When the angle between the direction of force and the direction of displacement is \[30{}^\circ \]

C)  When the angle between the direction of force and the direction of displacement is \[90{}^\circ \]

D)  When the angle between the direction of force and the direction of displacement is \[180{}^\circ \]

E)  None of these