6. A steel wire 2m long and 3 mm in diameter is extended by 0.75 mm when a weight P is suspended from the wire. If the same weight is suspended from a brass wire, 2.5 long and 2 mm in diameter, it is elongated by 4.64 mm. Determine the modulus of elasticity of brass if that of steel be 2.0 x 10^2 N/mm^2. a. 0.976 x 10^5 N/mm^2 c. 0.293 x 10^5 N/mm^2 b. 0.183 x 10^5 N/mm^2 d. 0.909 x 10^5 N/mm^2

Structural Analysis
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Chapter2: Loads On Structures
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6. A steel wire 2m long and 3 mm in diameter is extended by 0.75 mm when a weight
P is suspended from the wire. If the same weight is suspended from a brass wire, 2.5
long and 2 mm in diameter, it is elongated by 4.64 mm. Determine the modulus of
elasticity of brass if that of steel be 2.0 x 10^2 N/mm^2.
a. 0.976 x 10^5 N/mm^2
b. 0.183 x 10^5 N/mm^2
d. 0.909 x 10^5 N/mm^2
c. 0.293 x 10^5 N/mm^2
Transcribed Image Text:6. A steel wire 2m long and 3 mm in diameter is extended by 0.75 mm when a weight P is suspended from the wire. If the same weight is suspended from a brass wire, 2.5 long and 2 mm in diameter, it is elongated by 4.64 mm. Determine the modulus of elasticity of brass if that of steel be 2.0 x 10^2 N/mm^2. a. 0.976 x 10^5 N/mm^2 b. 0.183 x 10^5 N/mm^2 d. 0.909 x 10^5 N/mm^2 c. 0.293 x 10^5 N/mm^2
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