P; but conditions soobtained are not independent of those abeady obtained, butmight have been deduced from them, as the student will inferby examining this case in particular, or by referring to themore general case discussed in Art. 45. 93. If two weights balance each other on a straight leverin… … W— weight of the lever, draw HO horizontal in the verticalplane in which the lever can move. Suppose the lever to bein equilibrium when inclined at an ^ d to the horizon, thepoints A, O, C, B being in a straight line,—then since P, Q, Wact in vertical lines, the reaction R of the fulcrum must…
Mechanics
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