198_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

198_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Sec_2.6.qxd 9/25/08 192 11:40 AM Page 192 CHAPTER 2 Axially Loaded Members Solution 2.6-16 ( 4754 + 65s x) 0 s2 x 4754 65 sx PA s x Q x u find & x cos (u) sin (u) so A xsin( sx a tu sx b 2 23 2 ab sx a 65 2 b sx acos for stress state shown above 2 xcos( ) tu Asx 73.1 MPa 1 su sx 65 sx a su A 1 3 18. 65 MPa su u 19.5° a MP a 7 31. su MP a 9 54. sx MP θ = 30° sx Asx ) cos( ) su a su sx su b now find 65 2 ab sx 65 23 2 b+a b sx sx 1 & xcos( xsin( 0 su 2 )2 30° 1 54.9 MPa ) cos( ) s xcos a u + Problem 2.6-17 The normal stress on plane pq of a prismatic bar in tension (see figure) is found to be 7500 psi. On plane rs, which makes 30° with plane pq, the stress is found to be 2500 psi. an angle Determine the maximum normal stress max and maximum shear stress max in the bar. for ; 31.7 MPa p2 b 2 2 18.3 MPa ; ; p rb P P s q ...
View Full Document

Ask a homework question - tutors are online