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23 Nov 2019

A hydraulic lift is used to jack a 1120 kg car 9 cm off thefloor. The diameter of the output piston is 18 cm, and the inputforce is 250 N.

(a) What is the area of the input piston? cm2

(b) What is the work done in lifting the car 9 cm? in J


(d) How many strokes are required to jack the car up 9 cm? (Include fractions of a stroke inyour answer).

(e) Calculate the combined work input of all of the strokes. inJ
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Tod Thiel
Tod ThielLv2
16 Jan 2019

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

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The input piston and output plunger of a hydraulic car lift are atthe same level. The cross-sectional area of the input piston is 12cm^2, while that of the output plunger is 1200 cm^2. The force F1applied to the input piston has a magnitude of 140 N. What is theweight W of the car? Neglect the weight of the piston andplunger.

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