2h A D B P L-
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter2: Steady Heat Conduction
Section: Chapter Questions
Problem 2.35P
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Question
A rigid bar AB of a length L = 66 in. is hinged
to a support at A and supported by two vertical wires
attached at points C and D (see figure). Both wires have
the same cross-sectional area (A = 0.0272 in2 ) and are
made of the same material (modulus E = 30 x106psi).
The wire at C has a length h =18 in. and the wire at D
has a length twice that amount. The horizontal distances
are c = 20 in. and d = 50 in.
(a) Determine the tensile stresses σC and σD in the
wires due to the load P = 340 lb acting at end B
of the bar.
(b) Find the downward displacement δB at end B of
the bar.
Transcribed Image Text:2h
A
D
B
P
L-
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