Question

Summerize: Newton's first law of motion by telling how an object in motions inertia changed and how an object at rest is affected

object in motion:
object at rest:

Answer 1

Object in motion: By the Newton's first law about inertia, an object in motion tends to keep in motion, unless an external force act on it.

Object at rest: By the Newton's first law about inertia, an object at rest tends to keep at rest, unless an external force act on it.