Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 208
, if 5 ^ be six feet, and a b one foot, MECHANICS. 191 while W is raised one foot, P has descended six feet; and, as pounds-feet of power mustequal pounds-feet of effect, P will be one sixth of W; thus, P is to W as ah is to h d, oras the height of the incline is to its length. If the end of the…
Mechanical drawing
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