Question

For which of the following does the Centre of mass lie outside the body?

• A. An Iron rod
• B. A dice
• C. A Bangle
• D. A book

Answer 1

The correct option is C

A Bangle

The explanation for correct option:

C: A Bangle

A bangle is a hollow cylinder. Hence, the center of mass lies outside the body.

The explanation for incorrect options:

A: An Iron rod

This is a continuous mass system. Hence, the center of mass lies inside the body.

B: A Dice

This is a continuous mass system. Hence, the center of mass lies inside the body.

D: A Book

This is a continuous mass system. Hence, the center of mass lies inside the body.

Hence, option C is correct.