1. The document contains problems and solutions related to determining stresses in structural elements like rods, links, and trusses. 2. Problem examples include calculating the force required to produce a given stress in welded rods, determining material properties like diameter given other values, and sizing structural members based on stress limits. 3. The problems cover concepts like normal and shear stresses, relationships between force, stress, and material properties, and analyzing simple structural systems.

1. Problem Solutions
By e n Dean Updlk

4. Chapter 1

5. „P . bl. .. 1. 1 . . . . „Ll Two solid cylindrical rods Alìand [Klare .weided together at B and loaded as ro em Shown. Deîermine the
magnitude of the farce P for which the lensife stress in md AB
75 mm

6. the midsection ofw) rod AB, (b) rod BC.
Lì Two cylindrical rods AH and BC are weided together at B and loaded as shown, Determine ille magnitude oflhe force P for
which the tensiie stress in md Ab’ is twice the magnitude of the compressive Stress in rod HC'.
75
mm
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7. . . Probíem 1,3
Probiem 1.4

8. 1.4 Two cylindrical rods AB and HC are welded together at B and loaded as
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9. p . 5 ' ' " ' ' ' "-1.5 A strain gagelocated at C 0n the surface of bone AB indicates that the average ro em ' normal stress in the bone
is 3.80 MPa when the bone is subjected to two VIRSG-N
knowing that its outer diameter is 25 mm, deturmìne the inner diameter ofthe bonds |200 cross section at

10. C.
{Dromen-1 1.6 Two Steel plates are to be heid by means of 16»mm«dia1neter high
strength steel bolts {itling snugly inside cylindricaf brass spacers. Knowing that the average marinai stress must noi exceed 26()
MPa in thc bolts and 130 MPa in the spacers, determine the outer diameter of the spacers thaï yields the most economical and
safe design.

11. P25.
2.

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the limítcd'ójstribuüon to teachers and educaîors permiîtcd by McGraw-Hill for individuali course preparniíon. A sludent using
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13. 1.3 Knowing that 1h@ ceilïrai portion of link has a uniform cross-sectional

14. Pbelem .. '_ _1.10 Link AChas a uniform rectangular cross section 3 mm lhick and 1.2 mmwide.
- Determine the normal stress 'm the centa'aì portion ofthe Iink,

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reproduced, or distributed in any form or by any means, without the prior wriîten permission' of thc publisher, or used beyond the
limited distribution to teachers and educators permitted by McGraw-[lili for their individual course preparation. A student using
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16. Probl . . . .. . . . Hf?. The rigid barEFG is supported by the truss syslfzm shown. Kncnww .
em 1 '1 1 ing that the member CG is a circular rmi of 18 mm diameîßr, (femmine

17. Nourva Säureas. im CG.
problem 1 2 1, L?? The .rigid hat EFG is supported by the truss Syslem Shown. Deter
mine the cross»seci.ional area of member AE fÜr which the normal stress in the
member is 105 MPa,
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reproduced, or dislribulcd in any form or by any means, without the prior wrilten permission ofthe pubìisher, or used beyond the
1imited disîribulion io teachers and educators permitted by McGrawI-liìl for their individual course {tu'eparmion` A student
using this manual is using it without pennission.