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03/11/2021 12:54 pm
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A force of 20 N acts upon a body whose weight is 9.8 N. What is the mass of the body and how much is its acceleration? (g = 9.8 m s-2).
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03/11/2021 12:55 pm
Weight = 9.8 N
W = m x g
9.8 = m x 9.8
m = 1kg
Force, F = mass x acceleration
20 N = 1 kg x a
Acceleration, a = 20 m/s2