A text book of elementary mechanics, for the use of colleges and schools (1881)
Dana, Edward Salisbury, 1849-1935 · New York, J. Wiley & sons · leaf 165
he movingcomponent is zero, and the tension is equal to W; in position IVthe moving component = W and the tension = 0. 139. The explanation of the fact that a vessel may sail in adirection almost opposite to that from which the wind is blowingaffords another illustration of this principle. Let AB… … Fig. 71. 140.] KESOLUTKXN OF FORCES. 147 during no effect, and the other perpendicular, ad. But the vesselis headed in the direction BR; hence to rind the effective compo-nent of the wind in this direction the force ad must be again re-solved into the components af and ae. The tendency of af is…
Mechanics
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