An automobile back is lifted by a hydraulic jack that consists of two pistons. The large piston
Channel: Doubtnut
Date: 16/08/2020

An automobile back is lifted by a hydraulic jack that consists of two pistons. The large piston is 70 cm in diameter and the small piston is 8 cm in dimater. If W is the weight of the car, how much smaller a force is required on the small piston in order to lift the car ?