Q. 245.0( 5 Votes )

Why length, mass

Answer :

In mechanics we have to deal with all the physical changes happening around us like force, pressure, momentum which are not fundamental quantities.

They are obtained from some physical quantities which are fundamental quantities.

Length mass and time are chosen as base quantities due to following reasons:

1. These quantities cannot be derived from other quantities.

2. They are the simplest units.

3. All other physical quantities can be written in terms of these units.

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