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Physics, 28.05.2021 01:50 floresguppy

A screw jack lifts a load of 25 kN by an effort of 350 N at the end of a lever arm of 60 cm. If the pitch of the screw is 10 mm. Calculate the efficiency of the screw jack at this load.

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A screw jack lifts a load of 25 kN by an effort of 350 N at the end of a lever arm of 60 cm. If the...
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