6. The rigid beam is supported by a smooth pin at O and attached to two vertical rods. Assume that the bar has negligible weight and the rods were initially stress-free. Calculate the force P that can be applied such that the allowable stresses for steel rod and bronze rod are 140 MPa and 75 MPa, respectively. Answer: P = 115 kN 2 m -1.5 m→1.5 m→ Bronze A = 300 mm² E = 83 GPa Steel A = 900 mm² E = 200 GPa L = 1.5 m L=2 m

6. The rigid beam is supported by a smooth pin at O and attached to two vertical rods. Assume that the bar has negligible weight and the rods were initially stress-free. Calculate the force P that can be applied such that the allowable stresses for steel rod and bronze rod are 140 MPa and 75 MPa, respectively. Answer: P = 115 kN 2 m -1.5 m→1.5 m→ Bronze A = 300 mm² E = 83 GPa Steel A = 900 mm² E = 200 GPa L = 1.5 m L=2 m

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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6. The rigid beam is supported by a smooth pin at O and attached to two vertical rods. Assume that the
bar has negligible weight and the rods were initially stress-free. Calculate the force P that can be applied
such that the allowable stresses for steel rod and bronze rod are 140 MPa and 75 MPa, respectively.
Answer: P = 115 kN
- 2 m -1.5 m→+-1.5 m→|
Bronze
A = 300 mm²
E = 83 GPa
Steel
A = 900 mm²
E = 200 GPa
L = 1.5 m
L=2 m

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