Andrews, Ernest John, 1863-, Howland, Howard Newell, 1865- joint author · New York, London, The Macmillan company · leaf 104
—C §§ 153-156] MACHINES 89 … tance which the weight is raised directly against the forceof gravity while the force is moving the length of theplane ; or these distances paay berepresented by any numbers hav-ing this ratio. In the secondcase (Fig. 39) force distance isthe length of the horizontal baseof the plane, and weight…
Physics
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