A torque of T = 1900 Nm is applied to each of the fixed supported bars asshown in Fig. 1.9.• Determine the dimension b if the shear stress in each bar is the same.Also calculate the angle of twist for each bar for the same length of10m (G= 90 GPa).• Which bar is effective- circular or rectangular?• If the shear stress and angle of twist in the rectangular bar are lim-ited to 60 MPa and o.o15 rad, calculate the maximum torque, thebar can resist (assume b 100 mm).1.5620 mm1900 N-m1900 N-mFig. 1.

Given:- T=1900Nm L=10m G=90GPa shear stress=60MPa angle of twist=0.015rad To find:- a)b b)angle of…

Fig. 1. etermine the dimension b if the shear stre Iso calculate the angle of twist for each b om (G= 90 GPa). /hich bar is effective- circular or rectangu the shear stress and angle of twist in the ed to 60 MPa and o.o15 rad, calculate the TOsist (osqunme

Fig. 1. etermine the dimension b if the shear stre Iso calculate the angle of twist for each b om (G= 90 GPa). /hich bar is effective- circular or rectangu the shear stress and angle of twist in the ed to 60 MPa and o.o15 rad, calculate the TOsist (osqunme

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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Mechanics of Solids

It is the study of the behavior of solid materials, their characteristics under various circumstances such as variation in external forces, temperature, and other internal factors. It is one of most important study in the field of engineering science, especially chemistry and mechanical engineering. In rigid body, the idealization of the solid body in which deformation is neglected. Deformation is known as the force acting on the solid state system which exerts change in its shape of the body but it continues to be at rest or in a uniform motion but it cannot accelerate. But those solid systems do have elasticity, compressibility and can be bent. This field is very vast since there are wide range of materials around us.

Question

A torque of T = 1900 Nm is applied to each of the fixed supported bars as
shown in Fig. 1.
9.
• Determine the dimension b if the shear stress in each bar is the same.
Also calculate the angle of twist for each bar for the same length of
10m (G= 90 GPa).
• Which bar is effective- circular or rectangular?
• If the shear stress and angle of twist in the rectangular bar are lim-
ited to 60 MPa and o.o15 rad, calculate the maximum torque, the
bar can resist (assume b 100 mm).
1.56
20 mm
1900 N-m
1900 N-m
Fig. 1.

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