Q3. A rigid beam AB, the deformation of which may be neglected, is suspended horizontally from rods 1 and 2, each of which has a circular cross-section. Rod 1 is of steel, and has a diameter of 20 mm, while rod 2 is of copper, and has a diameter of 25 mm. At what distance from the joint A (see figure) must the load P be applied, if the beam AB is to remain horizonatal after the deformation of the rods? What stresses will then occur in the rods, if P = 3t? Answer: a-1-08 m; σ(1) = 440 kg/cm2; σ(2) = 330 kg/cm2. 15m a A -2m 2- Im
Q3. A rigid beam AB, the deformation of which may be neglected, is suspended horizontally from rods 1 and 2, each of which has a circular cross-section. Rod 1 is of steel, and has a diameter of 20 mm, while rod 2 is of copper, and has a diameter of 25 mm. At what distance from the joint A (see figure) must the load P be applied, if the beam AB is to remain horizonatal after the deformation of the rods? What stresses will then occur in the rods, if P = 3t? Answer: a-1-08 m; σ(1) = 440 kg/cm2; σ(2) = 330 kg/cm2. 15m a A -2m 2- Im
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Q3. A rigid beam AB, the deformation of which may be neglected, is suspended
horizontally from rods 1 and 2, each of which has a circular cross-section. Rod 1
is of steel, and has a diameter of 20 mm, while rod 2 is of copper, and has a
diameter of 25 mm. At what distance from the joint A (see figure) must the load
P be applied, if the beam AB is to remain horizonatal after the deformation of
the rods? What stresses will then occur in the rods, if P = 3t?
Answer: a-1-08 m; σ(1) = 440 kg/cm2; σ(2) = 330 kg/cm2.
15m
a
A
-2m
2-
Im
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