OCR GCSE Physics A · J249
Specification P2.3o · Paper 1 (Foundation), Paper 3 (Higher)
Revise: Hydraulic systemsA simple hydraulic system has two closely fitting, movable pistons connected by a tube filled with liquid. Push down on the input piston and it increases the liquid's pressure. The liquid transmits this increase in pressure to the output piston, where it produces an upward force.