Question

A point $P$ is the contact point of a wheel on ground which rolls on ground without slipping. The values of displacement of the point $P$ when wheel completes half of rotation (if radius of wheels is $1m$)

• A. $2m$
• B. $\sqrt{{\pi }^2+4}m$
• C. $\pi m$
• D. $\sqrt{{\pi }^2+2}m$

Answer 1

The correct option is B $\sqrt{{\pi }^2+4}m$