Question

what is the acceleration produced by a force of 12 Newton exerted on an object of mass 3 kg

Answer 1

F=ma(f is force,m is mass,a is accn)
12=3×a
a=4

Answer 2

let acceleration =a m/s²
mass m=3kg
Force, F=12N
Force,F=ma
12=3a
a=12/3
a=4m/s²
Hence,acceleration is 4m/s².