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View Full Document. Two Forcesâ resultant can be transferred to âOâ along with the moment caused by these forces at âOâ. But this force couple system cannot be replaced by single force at distance âdâ as the force has to be at âOâ as mentioned in problem. This preview has intentionally blurred sections.
A multiplication of force can be achieved by the application of fluid pressure according to Pascal's principle, which for the two pistons implies p 1 = p 2 This allows the lifting of a heavy load with a small force, as in an auto hydraulic lift, but of course there can be no multiplication of work, so in an ideal case with no frictional loss: