Consider a 1,000-kg car that is going to be lifted by a hydraulic hoist. The diameter of the piston and cylinder of the hoist itself is 20 cm. A line runs to a hydraulic pump that has a piston and cylinder with a diameter of 2 cm. What force must be exerted on the piston at the hydraulic pump to lift the car?Consider the hydraulic pump and the hoist to be at the same height or elevation.
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9,800 N |
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980 N |
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9.8 N |
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98 N |
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(c) 2000, Doug Davis; all rights reserved
