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MCQ
A constant force of 40 N acts on a body at rest for 5 s and gives it a velocity of 20 m/s. What is the mass of the body?
Unit-3 Dynamics-1
A 2 kg
B 4 kg
C 10 kg
D 100 kg
Explanation

Using F x t = m x v, m = (40 x 5)/20 = 10 kg.

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