Question

A circular plate of uniform thickness has a diameter of $28cm$. A circular portion of diameter $21cm$ is removed from the plates as shown. $O$ is the centre of mass of complete plate. The position of centre of mass of remaining portion will shift towards left from'$O$' by

• A. $5cm$
• B. $9cm$
• C. $4.5cm$
• D. $\mathrm{5.5.}cm$

Answer 1

The correct option is C $4.5cm$