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Question

How much force is needed to accelerate a body of mass 20g through 1m/s2.


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Solution

Step 1: Given data

Mass of the body = 20 g = 0.02 kg

Acceleration, a= 1 m/s2

Step 2: Calculations

Using Newtons 2nd law
F = ma
F= 0.02 x 1
F= 0.02 N or 2 x 10-2N

Hence, Force is needed to accelerate a body of mass is 0.02 N.


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