Questions from Mechanics


Q: A thin strip of steel with a length of L = 19

A thin strip of steel with a length of L = 19 in and thickness of t = 0.275 in is bent by couples Mo (see figure). The deflection at the midpoint of the strip (measured from a line joining its end poi...

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Q: A bar of rectangular cross section is loaded and supported as shown

A bar of rectangular cross section is loaded and supported as shown in the figure. The distance between supports is L = 1.75 m, and the height of the bar is h = 140 mm. The deflection at the midpoint...

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Q: A simply supported beam with a length L = 10 ft and

A simply supported beam with a length L = 10 ft and height 7 in. is bent by couples Mo into a circular arc with downward deflection d at the midpoint. If the curvature of the beam is 0.003 ft-1, calcu...

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Q: A cantilever beam is subjected to a concentrated moment at B.

A cantilever beam is subjected to a concentrated moment at B. The length of the beam L = 3 m and the height h = 600 mm. The longitudinal strain at the top of the beam is 0.0005 and the distance from t...

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Q: A thin strip of hard copper (E = 16,000

A thin strip of hard copper (E = 16,000 ksi) having length L = 90 in and thickness t = 3/32 in is bent into a circle and held with the ends just touching (see figure). (a) Calculate the maximum bendin...

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Q: A simply supported wood beam having a span length L = 12

A simply supported wood beam having a span length L = 12 ft is subjected to unsymmetrical point loads, as shown in the figure. Select a suitable size for the beam from the table in Appendix G. The all...

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Q: A tapered cantilever beam AB of length L has square cross sections

A tapered cantilever beam AB of length L has square cross sections and supports a concentrated load P at the free end (see figure part a). The width and height of the beam vary linearly from hA at the...

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Q: A vertical pole of aluminum is fixed at the base and pulled

A vertical pole of aluminum is fixed at the base and pulled at the top by a cable having a tensile force T (see figure). The cable is attached at the outer edge of a stiffened cover plate on top of th...

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Q: A wood pole with a solid circular cross section (d =

A wood pole with a solid circular cross section (d = diameter) is subjected to a triangular distributed horizontal force of peak intensity qo = 20 lb/in. (see figure). The length of the pole is L = 6...

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Q: Dimensions of cross section: b = 6 in., t =

Dimensions of cross section: b = 6 in., t = 0.5 in., h = 12 in., h1 = 10.5 in., and V = 30 k. Data for Problem 1: A wide-flange beam (see figure) is subjected to a shear force V. Using the dimension...

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