Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 171
mmw////Mmm. Fig. 108 Fig. 109 and direction (downward upon link d), and Ri, the re-action at 4, is wholly unknown. As only three forces act upon hnk d the intersection ofL and P gives a point on the line of action of i?i. AlsoRi must be tangent to the friction circle at 4. Thegeneral direction of…
Mechanics
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