Question

A yo-yo is resting on a perfectly rough horizontal table. Forces $F _{1}, F _{2}$ and $F _{3}$ are applied separately as shown. The correct statement is

• A. when $F _{3}$ is applied the centre of mass will move to the right.
• B. when $F _{2}$ is applied the centre of mass will move to the left.
• C. when $F _{1}$ is applied the centre of mass will move to the right.
• D. when $F _{2}$ is applied the centre of mass will move to the right.

Answer 1

Answer: (C)

$\tau_{ F _{ i }}$ will be clockwise about ICR which will cause $CM$ of $y _{0}- y _{0}$ to move towards right.