A simple hydraulic machine containing liquid is made from two pistons connected together with plastic tubing. The cross-sectional area of piston B B\,B is three times the cross-sectional area of piston AAA.
A force of 6 N is exerted on piston AAA.
What is the force exerted on piston BBB?
2 N2\text{ N}2 N
6 N6\text{ N}6 N
12 N12\text{ N}12 N
18 N18\text{ N}18 N