Maurer, Edward R. (Edward Rose), b. 1869 · New York : John Wiley & sons, inc.; [etc., etc.] · leaf 91
FiG. 143 Fig. 144 Fig. 14s tacts are equally rough and 0 = their common angle of friction, then the force ^1 … necessary to start the wedge down is given by 2W Fig. 146 cot (0 + a:) — tan 0 Fig. 144 represents the forces Q, R\, and R2 acting on thewedge, and the forces acting on M and N. Each of thereactions R makes with its normal component an angleequal to 0 (motion impending). In Fig. 145, ABCA isa…
Mechanics
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