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Mass vs. Weight

If the mass o...

Question

If the mass of a body is $10 k g$ and acceleration due to gravity at a place is $9.8 m s^{- 2}$ , then weight of body is .

A

98 k g

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B

98 N

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C

98 m s^{- 2}

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Solution

The correct option is B $98 N$
Weight is the force of gravity on a body.
Hence, $W e i g h t = m a s s \times g r a v i t y$
$\Rightarrow$ $10 k g \times 9.8 m s^{- 2} = 98 N$

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