Question

What is inertia of motion ? what is inertia of rest ?

Answer 1

The tendency of a body to change its state of uniform motion is called inertia of motion.

The tendency of a body to change its state of rest is know as inertia of rest.

Answer 2

Here is the answer to your question!!

First let me tell you what inertia is:

Inertia is the property of the body by virtue of which it opposes any change in its state of rest or uniform motion in a straight line.

Mass is a measure of Inertia.

Larger the mass, greater is the inertia.

Inertia of rest :

Due to this inertia, the body at rest tends to remain at rest.

Inertia of Motion :

Due to this inertia, a body in uniform motion tends to continue it's motion

Hope it helped!!