Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 91
a coneand rollers or wheels are setwith their axes coincidingwith the element of the coni-cal surface. Exercise 102. Sketch agraphical solution showing (a)the reactions, (b) all forcesacting upon all members of thecranes shown in Fig. 55. As-siune all members weightiess.What effect has the crownof… … TWO-DIMENSIONAL STRUCTURES 75 Thus whenever any part of the crane is represented as a free body the action of the chain upon it must be replaced Wby a force of — pounds whose line of action coincides 2 with the direction of the chain at its point of contact with the part considered. At the upper…
Mechanics
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