A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 114
h; if 5, 32 inches, andso on,—Ps distance doubling for each new pulley add-ed. Hence, with this combination, the power balances aweight as many times greater than itself as 2 raised to thddenoted by the number of movable pulleys. 244. The pulley is so cheap and convenient that it is much used in…
Physics
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