Q: Continuous cable ADB runs over a small frictionless pulley at D to
Continuous cable ADB runs over a small frictionless pulley at D to support beam OABC, which is part of an entrance canopy for a building (see figure). A downward distributed load with peak intensity q...
See AnswerQ: Two bars AC and BC of the same material support a vertical
Two bars AC and BC of the same material support a vertical load P (see figure). The length L of the horizontal bar is fixed, but the angle u can be varied by moving support A vertically and changing t...
See AnswerQ: A torque To is transmitted between two flanged shafts by means of
A torque To is transmitted between two flanged shafts by means of ten 20-mm bolts (see figure and photo). The diameter of the bolt circle is d = 250 mm. If the allowable shear stress in the bolts is 8...
See AnswerQ: A horizontal beam AB with cross-sectional dimensions (b =
A horizontal beam AB with cross-sectional dimensions (b = 0 .75 in.) × (h = 8.0in.) is supported by an inclined strut CD and carries a load P = 2700 lb at joint B (see figure part a). The...
See AnswerQ: A tie-down on the deck of a sailboat consists of
A tie-down on the deck of a sailboat consists of a bent bar bolted at both ends, as shown in the figure. The diameter dB of the bar is 1/4 in., the diameter dW of the washers is 7/8 in., and the thick...
See AnswerQ: Two steel tubes are joined at B by four pins (dp
Two steel tubes are joined at B by four pins (dp = 1 1mm), as shown in the cross section a–a in the figure. The outer diameters of the tubes are dAB = 41 mmd and dBC = 28 mm. The wal...
See AnswerQ: A steel pad supporting heavy machinery rests on four short, hollow
A steel pad supporting heavy machinery rests on four short, hollow, cast iron piers (see figure). The ultimate strength of the cast iron in compression is 400 MPa. The total load P that may be support...
See AnswerQ: A steel riser pipe hangs from a drill rig. Individual segments
A steel riser pipe hangs from a drill rig. Individual segments of equal length L = 50 ft are joined together using bolted flange plates (see figure part b). There are six bolts at each pipe segment co...
See AnswerQ: The rear hatch of a van (BDCG in figure part a
The rear hatch of a van (BDCG in figure part a) is supported by two hinges at B1 and B2 and by two struts A1B1 and A2B2 (diameter ds = 10 mm), as shown in figure part b. The struts are sup...
See AnswerQ: A lifeboat hangs from two ship’s davits, as shown in the
A lifeboat hangs from two ship’s davits, as shown in the figure. A pin of diameter d = 0.80 in. passes through each davit and supports two pulleys, one on each side of the davit. Cab...
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