Question

State the law of inertia

Answer 1

Inertia of a body is the inability of the body to change by itself its state of rest or of uniform motion along a straight line.
inertia of a body is of three types -
inertia of rest
inertia of motion
inertia of direction

Answer 2

Inertia is the resistance of any physical object to any change in its state of motion, including changes to its speed and direction. It is the tendency of objects to keep moving in a straight line at constant velocity.