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Force of gravity between the earth and mass of $20 kg$ placed on its surface [[1]] $N$ .

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Detailed Solution

Force of gravity between the earth and mass of

20 kg

placed on its surface is

196 N .

Force of gravity on an object due to earth is also known as the weight of the object and is calculated using the formula,

W = mg

Where,

m =

mass of the object,

g =

Acceleration due to gravity which has a value of

9.8 m / s^{2}

at the surface of the earth.
Given, Mass =

20 kg

W = mg

\Rightarrow = 20 \times 9.8

\Rightarrow W = 196 N

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