Snow, Benjamin Warner, 1860- · Madison, Wis. · leaf 134
screw,is knoA^Ti as the pitch. Therefore, the pitchof the screw corresponds to the height of theinclined plane, the circumference of the cyl-inder being equivalent to the base. Thescrew is designed to work in a nut, that is,in a hollow cylinder having threads uponits inner surface, fitting into the… … Fig. 7). The screwand its nut. 130 WORK AND ENERGY. a distance equal to the circumference of the screw. Accord-ingly, if r is the radius of the screw, F- 2 7rr=Tr- h, or W h2 TT r That is, Force : Aveight = pitch of screw : circumference of screw. If the force is not applied tangentially to the…
Physics
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