Question

Why a raindrop falling with uniform velocity?

Answer 1

Explanation:

When the raindrop starts falling the force of viscosity of air comes into action. This force is proportional to the velocity. Initially, this force is less than its weight. So there is a net downward force. Thus it accelerates. But a stage comes when due to increased velocity the force of viscosity is equal to its weight. So net downward force now becomes zero. Thus the raindrop keeps falling with a uniform velocity which is called the terminal velocity.

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