Define inertia. Give its classification, Law of Motion, 10th New Syllabus, TN, 2019 - 2020.

1. The inherent property of a body to resist any change in its state of rest or the state of uniform motion, unless it is influenced upon by an external unbalanced force, is known as inertia.

2. It is classified into three types,

i. inertia of rest
ii. inertia of motion

iii. inertia of direction.