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A text-book of physics, largely experimental. On the Harvard college "Descriptive list of elementary physical experiments." (1891)

Hall, Edwin Herbert, 1855-1938, Bergen, Joseph Y. (Joseph Young), 1851-1917 · New York, H. Holt and Company · leaf 133

An illustration from A text-book of physics, largely experimental. On the Harvard college "Descriptive list of elementary physical experiments.", 1891, leaf 133 — CS. 90. Force Applied Parallel to Incline.—This case isillustrated by Fig. 73, where L represents the length of the incline; B base H height W weight of the body on the incline; W is the equal and opposite of T7; N represents the force exerted upon the body by theplane L, a force which is straight… … By comparing the triangle WP with the triangle whosesides are L, B, and H we see that P:W(oTW)::H:L, or or, 91. Force Applied Parallel to Base. — This case is illus-trated by Fig. 74. THE PARALLELOGRAM OF FORCES. \ 11 The line Wf is not here, as it is in Fig. 73, the hypothe-neuse of the triangle…

Physics

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