Why does a hydraulic lift amplify force when lifting a heavy load?
Pascal’s law ensures pressure is transmitted equally. A smaller piston area (A1) with force F1 creates pressure (P = F1/A1), which, applied to a larger area (A2), results in a larger force (F2 = P⋅A2), amplifying the input force.
Ref: NCERT Class 11 Physics, Thermal Properties and Gravitation.