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A spring balance can withstand a weight of $980 N$ on earth without getting deformed. What should be the maximum mass of a body that can be weighed using this spring balance on moon?

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612 kg

600 kg

582 kg

490 kg

answer is A.

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Detailed Solution

The maximum weight than can be weighed using a spring balance is

612 kg .

Given,
The maximum weight that can be measured using the given spring balance,

W = 980 N

.
Let

m

be the maximum mass of an object that the spring balance can weigh without getting deformed.
But

W = mg

Where

g = 1.6 m / s^{2}

is the acceleration due to gravity on moon.

\Rightarrow m \times 1.6 = 980

\Rightarrow m = \frac{980}{1.6}

\Rightarrow m = 612.5 kg

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