Define $1\, kg$ weight and express it in newton.

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(N/A) $1\, kg$ weight is defined as the gravitational force exerted by the Earth on an object with a mass of $1\, kg$.
It is calculated using the formula $F = m \times g$,where $m = 1\, kg$ and $g \approx 9.8\, m/s^2$.
Therefore,$1\, kg\, wt = 1\, kg \times 9.8\, m/s^2 = 9.8\, N$.

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