Question

In order to make observation east, a convention or a common reference point or frame is needed. All objects must be in the same reference frame.​

Answer 1

Answer:

hey dude...this is not necessary always...general means of frame of reference is in which perspective you are making the observation....that is all..

hope it will help you...

please mark brainlist...

Answer 2

$\huge\mathbb\orange{Heya\:Mate..!}$

${\huge{\red{\underline{\underline{\mathcal Hope it's helps u }}}}}$

Actually, frames of references are classified into two types depending upon how they are moving. Those two types are called inertial and non-inertial frames of reference. An inertial frame of reference has no acceleration. The law of inertial holds in such a frame; no fictitious forces arise.