The mechanical engineer's pocket-book. A reference-book of rules, tables, data, and formulæ, for the use of engineers, mechanics, and students (1910)
Kent, William, 1851-1918 · New York, J. Wiley & sons · leaf 563
514 MECHANICS. threads wind the same way. Si s2r Fig. 115. … Fig. 114. move downward a distance = AC. The length of the bight or loopBDEC will be shortened by AB — AC, which will cause the pulley F tobe raised half of this amount. If P = the pulling force on the cord HK,and W the weight lifted at F, then P X AB = W X 1/2 (AB -AC). To calculate the length of…
Mechanical engineering
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