Answer: 180 N
Explanation: Mechanical advantage of a machine is the ratio of the output force to the input force in a machine.
[tex]{\text {mechanical advantage}}=\frac{\text {output force}}{\text {input force}}[/tex]
Given: mechanical advantage = 12
input force = 15 N
[tex]12}=\frac{\text {output force}}{15N}[/tex]
[tex]12}=\frac{\text{output force}}{15N}[/tex]
[tex]{\text{output force}}=180N[/tex]
