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/s2).
Weight= 9.8N
W= m x g
9.8 = m x 9.8
m = 1kg
Force, F = mass x acceleration
20 N = 1kg x a
Acceleration, a = 20m/s2