# Pascal's Principle - Example 3

Example:

Figure above shows a hydraulic system. The area of surface X is 5 cm² and the area of surface Y is 100 cm². Piston X has been pushed down 10cm. what is the change of liquid level, h, at Piston Y?

$h 1 A 1 = h 2 A 2 (10)(5)=h(100) h= 50 100 =0.5cm$