Asked by jalani

if a dentist chair weighs 1600N and is raised by a large piston with a cross sectional area 75.0cm2, what force must be exerted on a small piston of crosssectional area 3.75cm2 to lift the chair
Answered by najat
F1/A1=F2/A2
F1=F2A1/A2
F1=1600N*3.75cm2/75CM2= 80N
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