A stone resting on the ground has a gravitational force of 20 N acting on it. What is the weight of the stone? What is its mass? $(g = 10 m / s^{2})$ .

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Solution

Here:

Weight of the stone W = the gravitational force of acting on it = 20 N
Thus the weight of the stone is 20 N.

Gravity acceleration $g = 10 m / s^{2}$
We know that, Weight = W = mg

=> 20 = m × 10

=> m = 20/10= 2.0 kg.

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