Questions from Mechanics


Q: A plane truss has joint loads P, P2, and P3

A plane truss has joint loads P, P2, and P3 at joints D, C, and B, respectively (see figure) where load variable P = 5200 lb. All members have two end plates that are pin- connected to gusset plates....

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Q: A special-purpose eye bolt with a shank diameter d =

A special-purpose eye bolt with a shank diameter d = 0.50 in. passes through a hole in a steel plate of thickness tp = 0.75 in. (see figure) and is secured by a nut with thickness t = 0.25 in. The hex...

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Q: An elastomeric bearing pad consisting of two steel plates bonded to a

An elastomeric bearing pad consisting of two steel plates bonded to a chloroprene elastomer (an artificial rubber) is subjected to a shear force V during a static loading test (see figure). The pad ha...

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Q: A joint between two concrete slabs A and B is filled with

A joint between two concrete slabs A and B is filled with a flexible epoxy that bonds securely to the concrete (see figure). The height of the joint is h = 4.0in, its length is L = 40 in., and its thi...

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Q: A steel punch consists of two shafts: upper shaft and lower

A steel punch consists of two shafts: upper shaft and lower shaft. Assume that the upper shaft has a diameter d1 =24 mm and the bottom shaft has a diameter d2 = 16 mm. The punch is used to insert a ho...

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Q: A joint between two glass plates A and B is filled with

A joint between two glass plates A and B is filled with a flexible epoxy that bonds securely to the glass. The height of the joint is h = 0.5 in, its length is L = 30 in, and its thickness is t = 0.5...

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Q: A punch for making a slotted hole in ID cards is shown

A punch for making a slotted hole in ID cards is shown in the figure part a. Assume that the hole produced by the punch can be described as a rectangle (12mm × 3 mm) with two...

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Q: A steel riser pipe hangs from a drill rig located offshore in

A steel riser pipe hangs from a drill rig located offshore in deep water (see figure). Separate segments are joined using bolted flange plages (see figure part b and photo). Assume that there are six...

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Q: A flexible connection consisting of rubber pads (thickness t = 9

A flexible connection consisting of rubber pads (thickness t = 9 mm) bonded to steel plates is shown in the figure. The pads are 160 mm long and 80 mm wide. (a) Find the average shear strain aver g in...

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Q: A hitch-mounted bicycle rack is designed to carry up to

A hitch-mounted bicycle rack is designed to carry up to four 30-lb bikes mounted on and strapped to two arms GH (see bike loads in the figure part a). The rack is attached to the vehicle at A and is a...

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