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Unformatted text preview: maldonado (om2892) – homework 36 – Turner – (58220) 1 This print-out should have 11 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points The small piston of a hydraulic lift has a cross-sectional area of 6 . 6 cm 2 and the large piston has an area of 47 cm 2 , as in the figure below. F 6 . 6 cm 2 area 47 cm 2 What force F must be applied to the small piston to maintain the load of 17 kN at a constant elevation? Answer in units of N. 002 10.0 points The air pressure above the liquid in figure is 1 . 59 atm . The depth of the air bubble in the liquid is 46 . 6 cm and the liquid’s density is 754 kg / m 3 . 46 . 6 cm air air Determine the air pressure in the bubble suspended in the liquid. The acceleration of gravity is 9 . 8 m / s 2 . Answer in units of Pa. 003 10.0 points A 56 . 5 kg woman balances on one heel of a pair of high-heeled shoes....
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- Spring '08
- 8 m, 2.7 mm, 56.5 kg