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:

98 m s^{- 2}

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98 N

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98 k g

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98 N / k g

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Solution

The correct option is B $98 N$
Weight is the force of gravity acting on a body.
By Newton's second law,
$Weight = Mass \times Acceleration due to gravity$
$W = 10 k g \times 9.8 m s^{- 2}$
$W = 98 N$

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