5. A rigid bar AB of 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 in.2 ) and are made of the same material (modulus E = 30 x 10° psi). The wire at C has length h = 18 in. and the wire at D has length twice that amount. The horizontal distances are c = 20 in. and d = 50 in. (a) Determine the tensile stresses o and o, in the wires due to the load P= 340 Ib acting at end B of the bar. (b) Find the downward displacement &, at end B of the bar. 2h В

5. A rigid bar AB of 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 in.2 ) and are made of the same material (modulus E = 30 x 10° psi). The wire at C has length h = 18 in. and the wire at D has length twice that amount. The horizontal distances are c = 20 in. and d = 50 in. (a) Determine the tensile stresses o and o, in the wires due to the load P= 340 Ib acting at end B of the bar. (b) Find the downward displacement &, at end B of the bar. 2h В

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.5.23P: Wires B and C are attached to a support at the left-hand end and to a pin-supported rigid bar at the...

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