Q: A cable and pulley system in the figure part a supports a
A cable and pulley system in the figure part a supports a cage of a mass 300 kg at B. Assume that this includes the mass of the cables as well. The thickness of each of the three steel pulleys is t =...
See AnswerQ: A ship’s spar is attached at the base of a mast by
A ship’s spar is attached at the base of a mast by a pin connection (see figure). The spar is a steel tube of outer diameter d2 = 3.5 in. and inner diameter d1 = 2.8 in. The steel pi...
See AnswerQ: What is the maximum possible value of the clamping force C in
What is the maximum possible value of the clamping force C in the jaws of the pliers shown in the figure if the ultimate shear stress in the 5-mm diameter pin is 340 MPa? What is the maximum permissib...
See AnswerQ: A metal bar AB of a weight W is suspended by a
A metal bar AB of a weight W is suspended by a system of steel wires arranged as shown in the figure. The diameter of the wires is 5/64 in., and the yield stress of the steel is 65 ksi. Determine the...
See AnswerQ: A plane truss is subjected to loads P2 and P at joints
A plane truss is subjected to loads P2 and P at joints B and C, respectively, as shown in the figure part a. The truss bars are made of two L 102 × 76 ×Â&nb...
See AnswerQ: A solid bar of circular cross section (diameter d) has
A solid bar of circular cross section (diameter d) has a hole of diameter d/5 drilled laterally through the center of the bar (see figure). The allowable average tensile stress on the net cross sectio...
See AnswerQ: A solid steel bar of a diameter d1 = 60 mm has
A solid steel bar of a diameter d1 = 60 mm has a hole of a diameter d2 = 32 mm drilled through it (see figure). A steel pin of a diameter d2 passes through the hole and is attached to supports. Determ...
See AnswerQ: The piston in an engine is attached to a connecting rod AB
The piston in an engine is attached to a connecting rod AB, which in turn is connected to a crank arm BC (see figure). The piston slides without friction in a cylinder and is subjected to a force P (a...
See AnswerQ: Truss members supporting a roof are connected to a 26-mm
Truss members supporting a roof are connected to a 26-mm-thick gusset plate by a 22-mm diameter pin, as shown in the figure and photo. The two end plates on the truss members are each 14 mm thick. (a)...
See AnswerQ: The inclined ladder AB supports a house painter (85 kg)
The inclined ladder AB supports a house painter (85 kg) at C and the weight (q = 4 0N/m) of the ladder itself. Each ladder rail (tr = 4 mm) is supported by a shoe (ts = 5 mm) that is attached to the l...
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