Answer:
F = 132N
Explanation:
Let the pulling force be F
Given the mass of the barrel is 12 Kg and The acceleration is 1.2 m/[tex]sec^2[/tex]
We know that Net Force = [tex]mass\times acceleration[/tex]
Now net force = F - mg
F - mg = ma
F = mg + ma
F = m(a+g) = [tex]12\times (1.2 +9.8)=132N[/tex]
Note that there will be a downward force acting on the body which is equal to mg