Question

A raindrop of mass 2 g falls with a constant speed of 10 m/s. The frictional force experienced by raindrop is
(1) 20 N
(2) 0.02 N
(3) 0.2 N
(4) 2 N

Answer 1

Your answer is (3) 0.2 N.

Explanation:

Mass of raindrop = 2 g = 0.02 kg

Speed (Acceleration) = 10 m/s²

∴ Force = Mass × Acceleration

∴ Force = 0.02 kg × 10 m/s²

∴ Force = 0.2 N

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Answer 2

Answer:

option 2 is correct

Explanation

velocity is constant

than there is no acceleration

means balance force acting

so g=10m/s²

and

and same acting on it a=-10m/s

F=ma

F=0.002kg x 10m/s²

F=0.02N