Question

The work done on an object does not depend on the :

• A. displacement
• B. angle between force and displacement
• C. force applied
• D. initial velocity of the object

Answer 1

The correct option is D initial velocity of the object

Work done on an object $W=\overrightarrow{F}.\overrightarrow{S}$

Or $W=|\overrightarrow{F}||\overrightarrow{S}|\cos \theta$

where $|\overrightarrow{F}|$ is the amount of force applied, $|\overrightarrow{S}|$ is the displacement of the object and $\theta$ is the angle between the directio of force applied and the displacement.

Thus work done depends on $|\overrightarrow{F}|$, $|\overrightarrow{S}|$ and $\theta$ but does not depend on the initial velocity of the object.