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