Question

The axis of rotation of a purely rotating body
(a) must pass through the centre of mass
(b) may pass through the centre of mass
(c) must pass through a particle of the body
(d) may pass through a particle of the body.

Answer 1

Answer:

b is answer................

Answer 2

The axis of rotation of a purely rotating body

(b) may pass through the centre of mass .

(d) may pass through a particle of the body.

Explanation:

It is not essential that,

• The axis of rotation of the pure rotating body must move within the center of gravity or through the body particles.
• So , It can be outside the body as well.

Therefore the correct answer is Option (b) may pass through the centre of mass and (d) may pass through a particle of the body.