재료역학 James M.Gere 솔루션
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- 2010.11.02
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- 2010.02
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재료역학 James M.Gere 솔루션
Chap 1 ~ 12 까지
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본문내용
Problem 1.2-1 A solid circular post ABC (see figure) supports
a load P1 2500 lb acting at the top. A second load P2 is
uniformly distributed around the shelf at B. The diameters of
the upper and lower parts of the post are dAB 1.25 in. and
dBC 2.25 in., respectively.
(a) Calculate the normal stress AB in the upper part of the post.
(b) If it is desired that the lower part of the post have the
same compressive stress as the upper part, what should be
the magnitude of the load P2?
Problem 1.2-2 Calculate the compressive stress c in the circular
piston rod (see figure) when a force P 40 N is applied to the
brake pedal.
Assume that the line of action of the force P is parallel to the
piston rod, which has diameter 5 mm. Also, the other dimensions
shown in the figure (50 mm and 225 mm) are
Problem 1.2-3 A steel rod 110 ft long hangs inside a
tall tower and holds a 200-pound weight at its lower end
(see figure).
If the diameter of the circular rod is 1⁄4 inch, calculate
the maximum normal stress max in the rod, taking
into account the weight of the rod itself. (Obtain the
weight density of steel from Table H-1, Appendix H.)
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11-02 Chap Gere.pdf
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