Question

a force of 20 Newton acts upon a body whose weight is 9.8 Newton what is the mass of the body and how much is it acceleration

Answer 1

w=mg
9.8=m×g
m=1 kg

f=ma
20=1×a
a=20

therefore the mass is 1 kg and acceleration is 20 km/sec sq

Answer 2

F=ma, a=F/m. a=20/9.8=2.040 m/s2