Earth attracts a body of mass $1 k g$ by a force of

9.8 N

towards its centre

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98 N

towards its centre

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980 N

towards its centre

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0 N

towards its centre

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Solution

The correct option is A $9.8 N$ towards its centre
Acceleration due to gravity on earth $= g = 9.8 m s^{- 2}$
So, for a body of mass, $m = 1 k g$ , force due to gravity, $F = m \times g = 1 \times 9.8 N = 9.8 N$

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Earth attracts a body of mass 1kg by a force of

The correct option is A 9.8N towards its centreAcceleration due to gravity on earth=g=9.8ms−2So, for a body of mass, m=1kg, force due to gravity, F=m×g=1×9.8N=9.8N

Earth attracts a body of mass $1 k g$ by a force of

The correct option is A $9.8 N$ towards its centre
Acceleration due to gravity on earth $= g = 9.8 m s^{- 2}$
So, for a body of mass, $m = 1 k g$ , force due to gravity, $F = m \times g = 1 \times 9.8 N = 9.8 N$