Question

what os meant by rest and motion are realative and what os meant by uniform motion and non-uniform motion​

Answer 1

Answer:

1. rest means the object in a place which does not moves and does not changes its position
2. motion means can move one place to another and it changes its position

Answer 2

Answer:

1. Rest and motion are the relative terms because they depend on the observer's frame of reference. So if two different observers are not at rest with respect to each other, then they too get different results when they observe the motion or rest of a body.

2.When a body moves along a straight line with uniform speed or steady speed is called Uniform motion.

When a body moves along a straight line but with variable or change in speed is called non-uniform motion.

in other words,

A body is in uniform motion if it covers equal distance in equal intervals of time.

A body is in non uniform motion if it covers unequal distance in equal intervals of time.

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