Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 126
Fig. 69. THE KNEE OK TOGGLE-JOINT. 109 … Fig. 70. pitch of the screw, as a 6 (Fig. 69). Then in conformity tothe universal law of machines the force is to the resistance asthe distance between the corresponding surfaces of two successivethreads is to the circumference of the circle described by theforce. Since a screw turning in a nut…
Physics
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