Question

what is frame of reference and what is its necessity?​

Answer 1

Answer:

Frame of reference is a distance fixed object from which the distance and position of a body is observed as time elapses. The necessity of frame of reference is-

1. with out a frame of reference we cannot understand or measure quantity of motion or distance, position of body from another body.
2. A frame of reference may be a fixed object on Earth which is also assumed to be fixed.A fixed star or a set of axis may also be frame of reference

Explanation:

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Answer 2

Explanation:

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