Question
Define one newton. Write the relation between the $S. I.$ unit and the $C.G.S.$ unit of force.

Answer

If a body of mass $1 kg$ moves with an acceleration of $1 m / s ^2$ then force acting on the body is said to be one $Newton.1N=$ $10^5$ Dyne.
Relation between $S. I.$ and $CGS$ unit of force is $1$ Newton $=1 kg \times 1 ms^{-2}$.

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