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An effort applied on the small piston of...

An effort applied on the small piston of a hydraulic jack lifts the load through a distance of 50 cm and the effort is displaced through 2 m. If the diameter of the larger piston is 28 cm, calcualte the area of the cross section of the smaller piston.

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`d_1=50` cm
`M.A=L/E=d_E/d_L=2/0.5=4`
`4=pi_2^2/(pir_1^2)`
`4= (22/7xx0.14xx0.14)/A_1`
`A_1=0.0154`
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