Question

which law of motion is uesd to define inertia​

Answer 1

Answer:

Law of inertia, also called Newton's first law, postulate in physics that, if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.

Answer 2

Answer:

FIRST LAW OF MOTION

is used to define inertia.