Question

define term
a. standard unit
b.rest
c.motion ​

Answer 1

Answer:

Standard unit

The term standard refers to the physical object on which the unit of measurement is based.

Rest:

An object is said to be at rest if it does not change its position with respect to its surroundings with time. Motion: An object is said to be in motion if the position changes with respect to it surrounding and time.

Motion:

movement or a way of moving.