Question

Define frame of reference.

Answer 1

A set of criteria or stated values in relation to which measurements or judgements can be made

Answer 2

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`$\textbf{Frame of Reference}$`

It is a system of coordinate axis attach to an observer having a clock with him/her with respect to which he/she can specify the position, velocity, acceleration etc. of moving object.


`$\textbf{Types}$`

1. Inertial frame of reference :-

In which Newton first law of motion hold.


2. Non- inertial frame of reference :-

In which Newton first law of motion does not hold also Known as acceleration frame of reference.

→ Newton's first law of motion :-

If an object is at rest then it will remain in rest, if an object is in uniform motion then it will remains in uniform motion until or unless external unbalanced force is applied.