The figure below shows a cross-section of a handle of a screw jack 70 cm long. The pitch of the screw is 0.8 cm

The figure below shows a cross-section of a handle of a screw jack 70 cm long. The pitch of the screw is 0.8 cm

Given that the efficiency is 65%, calculate:
i) the velocity ratio of the system
ii) the mechanical advantage of the screw jack.
iii.) Sketch a graph of efficiency against Load
iv.) Draw a single moving pulley with a velocity ratio of 2.

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Kavungya answered the question on November 16, 2022 at 11:51

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