Hydraulic 36021

The small piston of the hydraulic jack has a capacity of 40 cm2 and a large 120 cm2. How heavy will a body lift when a man weighing 70 kg stands on a small piston?

Correct answer:

m2 =  210 kg

Step-by-step explanation:

S1=40 cm2 S2=120 cm2 m1=70 kg  p1=p2 F1/S1 = F2/S2 m1 g/S1 = m2 g/S2 m1/S1 = m2/S2  m2=m1 S1S2=70 40120=4070 120=408400=210 kg



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