In a hydraulic system a 20.0-N force is applied to the small piston with cross sectional

area 25.0 cm2. What weight can be lifted by the large piston with cross sectional
area 50.0 cm2?

1 answer

A flat-bottom river barge is 30.0 ft wide, 85.0 ft long, and 15.0 ft deep. (a) How many ft3 of water will it displace while the top stays 3.00 ft above the water? (b) What load in tons will the barge contain under these conditions if the empty barge weighs 160 tons in dry dock?