In a hydraulic jack, the small piston compared with the large one must move
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Correct answer to question 88 (Mechanical Comprehension): a greater distance
Method
The fluid pushed out of the small cylinder has to fill the large one, and since the large piston has more area it rises only a little. Many strokes of the handle raise a car a few inches, which is force multiplication paid for in distance.
Updated: November 2026