Question

A hydraulic jack has an input piston of area 0.0560 m2 and an output piston of area 0.670 m2. How much force (in N) on the input piston is required to lift a car weighing 1.80 ✕ 104 N?

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A small ferryboat is 4.50 m wide and 6.10 m long. When a loaded truck pulls onto it, the boat sinks an additional 3.60 cm into the river. What is the weight of the truck?

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Answer 1