Shop practice for home mechanics, use of tools, shop processes, construction of small machines. Contains a chapter also on theoretical mechanics and on miscellaneous information relative to shop work (1920)
Yates, Raymond F. (Raymond Francis), 1895- · New York, N. W. Henley Pub. Co. · leaf 26
e rope. If another pulley is added to the sys-tem, a weight three times greater than the applied forcecan be lifted, but the distance traveled by the weight willbe one-third of that traveled by the force acting at theend of the rope. A¥ith a system of seven pulleys, a weightseven times greater than… … Fig. 14—A simple system of two pulleys tern of pulleys one man can lift many times his o^\avAveight. If a system of six pulleys is used and the forceapplied at the end of the rope is equivalent to 50 lbs., itmil be possible to lift 6 x 50 or 300 lbs. If the end ofthe rope or the force passes…
Machine-shop practice · Handicraft
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