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An aluminum bar of solid circular cross section is twisted by torques T acting at the ends (see figure). The dimensions and shear modulus of elasticity are as follows: L = 1.4 m, d = 30 mm, and G = 27 GPa. a) Determine the torsional stiffness of the bar. (Round your answer to the nearest whole number.) ET = N.m b) If the angle of twist of the bar is 4° what is the maximum shear stress? (Round your answer to two decimal places.) max = MPa c) What is the maximum shear strain (in radians)? (Round your answer to the nearest whole number). max = ×10-6 rad

An aluminum bar of solid circular cross section is twisted by torques T acting at the ends (see figure). The dimensions and shear modulus of elasticity are as follows: L = 1.4 m, d = 30 mm, and G = 27 GPa. a) Determine the torsional stiffness of the bar. (Round your answer to the nearest whole number.) ET = N.m b) If the angle of twist of the bar is 4° what is the maximum shear stress? (Round your answer to two decimal places.) max = MPa c) What is the maximum shear strain (in radians)? (Round your answer to the nearest whole number). max = ×10-6 rad

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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An aluminum bar of solid circular cross section is twisted by torques T acting at the ends (see figure). The dimensions and shear modulus of elasticity are as follows: L = 1.4 m, d = 30 mm, and G = 27 GPa. (a) Determine the torsional stiffness of the bar. (Round your answer to the nearest whole number.) kT N. m (b) If the angle of twist of the bar is 4° what is the maximum shear stress? (Round your answer to two decimal places.) Tmax = MPа (c) What is the maximum shear strain (in radians)? (Round your answer to the nearest whole number). Ymax = x10–6 rad
Transcribed Image Text:An aluminum bar of solid circular cross section is twisted by torques T acting at the ends (see figure). The dimensions and shear modulus of elasticity are as follows: L = 1.4 m, d = 30 mm, and G = 27 GPa. (a) Determine the torsional stiffness of the bar. (Round your answer to the nearest whole number.) kT N. m (b) If the angle of twist of the bar is 4° what is the maximum shear stress? (Round your answer to two decimal places.) Tmax = MPа (c) What is the maximum shear strain (in radians)? (Round your answer to the nearest whole number). Ymax = x10–6 rad
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