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Second Law of Motion

A feather of ...

Question

A feather of mass $20 g$ is dropped from a height. It is found to fall down with a constant velocity. What is net force acting on it?

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Solution

Given,
$m = 20 g = 0.02 k g$
$g = 9.8 m /^{2}$
Weight, $W = m g$
$W = 0.02 \times 9.8 = 0.196 N$

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