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A car is lifted by a hydraulic jack that...

A car is lifted by a hydraulic jack that consists of two pistons. The diameter of the larger piston is 2 m and that of the smaller piston is 50 cm. If the force applied on the smaller piston is 240 N, find the weight of the car.

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(i) Give principle of Bramah.s press. What is Pascal.s law?
Give the area of cross-section of the two pistons
Substitute the values in the formula, `F_1/A_1=F_2/A_2`
Find the value of `F_2`
(ii) 3840 N
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