Question

why length ,mass and time are choosen as base quantities in machine
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Answer 1

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The length, mass and time cannot be derived from any other physical quantities and all physical quantities of mechanics. So, length, mass and time are chosen as the base quantities in mechanics.

Answer 2

Answer:

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The length, mass and time cannot be derived from any other physical quantities and all physical quantities of mechanics. So, length, mass and time are chosen as the base quantities in mechanics.