Question

Explain first law of motion and inertia briefly. give an example.

Answer 1

According to first law f a body is in motion or in state of rest, it will remain in its state until an external force is not applied it is also called law of inertia

Answer 2

If any body is in motion it will continue its motion until and unless an external force is applied ,if any body is in rest it will be in rest until and unless external force is applied.
Ex- A car will be in motion if external force is not applied and it will be in rest until force is applied..