Physics

If the unit of force is $$12$$ N, that of length is $$3$$ m and that of time is $$4$$ s, the unit of mass in new system is:


ANSWER

64 kg


SOLUTION
$$F=MLT^{-2}$$
$$12=M\times 3 \times 1/16$$
$$4\times 16=M$$
$$\Rightarrow M=64\ kg$$
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