Question

on Earth the weight of a body of mass 1.0 kg is 10n what will be the weight of a boy of mass 38 kgf in a kgf b N
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Answer 1

solve

Weight of a mass 1.0kg = 10n

(a)weight of a boy of mass=38kg

(b) weight of a boy of 38kg is Newton will be

1kgf=10fN

:- 38 kgf= 38× 10 N

Ans =380 N