CA2 - - Mechanics of Materials Spring Term 2008/09 April 8,...

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Unformatted text preview: - Mechanics of Materials Spring Term 2008/09 April 8, 2009 Class Assignment # 2 '."'.'.'.".-7---' ' ~ H=1.6m Ll=3.0m " ;: 4~~ :2 ; : :~:ve area of cable I : A '~- C ~ !. - ..~:::=~=::-::. . ~ -- .-. TB'{Su.B FORCE IN CABLE . / . T = tensile force . . ! """'" m cable , , 'I & . \ A ~- I ~ ~ '"~ ",.- 3.0m 1.5m 1 C :veRAGE1ENSD..ESTRESSlNt~~ " P=32 T 102 kN EQUILmkruM ~~U = A = 481 mm2::; 212 MPa ~ LMA = 0 i+\A """ '" ,- -~/ T v (3.0 m) - (32 kN)(4.5 m) = ~'\\ /"j~ ( ;':;::::~" T =48kN ~ v '\ Ty Ll 3.0 m \ T:=H:=;~ \ , MEM 230 ~ Problem 1.2-10 Solve the preceding problem if the load P = 32 kN; the cable has effective cross-sectional area A = 481 mmz; the dimensions of the crane are H = 1.6 m, Ll = 3.0 m, and Lz = 1..5 m; and the cable stretches by 5.1 mm. Figure is with Frob. 1.2-9.- 5c "'- ~ H 1 ~ .. R ~ I~ i. ~-1 I. LI ~ P = ~11c:N ~ FREE-BODY DIAGRAM OF GIRDER T~ I T II ~ T = ~+"TJ = Y(90 kNf + (48 kNt = 1t1? IrN TH!~~I R ~ 4- ~ §--) " II ~ .Ifl ""-'""" ~ +- 3.4m Solution 1.2-10 Loading crane with girder and cable...
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This note was uploaded on 09/23/2009 for the course MEM 230 taught by Professor Awerbuch during the Spring '08 term at Drexel.

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CA2 - - Mechanics of Materials Spring Term 2008/09 April 8,...

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