Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 198
Fig. 129 274. Draw the stress diagram for the jointed frame shownin Fig. 129. Indicate whether the various members are in tension orcompression by placing the proper sign on each member. … Fig. 130 275. Develop a formula for the tension in the tackle ropeof the derrick shown in Fig. 130. Assume all necessary di-mensions and indicate them carefully on your sketch. 276. If two turns of a rope ^ inch in diameter are takenabout a post 10 inches in diameter, what force applied at l82…
Mechanics
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