Question

what do you mean by inertia?????

Answer 1

Inertia refers that the object wants to maintain it's actual position.

Answer 2

Inertia is the tendency of an object to be in it's state of motion or being in it's state of rest.
Example. every moving object tries to be in motion forward movt. when applied brakes of a moving bus
every body in rest tries to be in rest backward movt.when a bus from rest starts moving