Simple stress can be classified as normal stress, shear stress, and bearing stress. ... types of normal stresses; tensile stress and compressive stress.

1. Energy Science & Engineering
ME 2113
Solid Mechanics
Credit hour: 3.00
Arup Kumar Debnath
Lecturer
Department of Mechanical Engineering,
Khulna University of Engineering & Technology

2. Problems
2
1. A complete bar consists of an Aluminum bar rigidly attached to a Bronze bar and a Steel bar as shown.
Axial loads are applied at the positions indicated. Determine the stresses in each section. Area of Br, Al & St
are respectively 1.2 m2, 1.8 m2, 1.6 m2.
Br Al St
4000N 7000N
9000N 2000N

3. Problems
3
2. An Aluminum rod is rigidly attached between a steel rod and a bronze rod as shown. Axial loads are
applied at the positions indicated. Determine the value of P that will now exceed a stress in steel of 140 MPa,
in Al of 90 MPa or in Br of 100 MPa. stresses in each section. Area of Br, Al & St are respectively 200 mm2,
400 mm2, 500 mm2.
Steel Al Bronze
2P
P
4P

4. Problems
4
3. Find the smallest diameter bolt that can be used in the clevis shown in the fig. if P = 400KN and shearing
stress of the bolt is 300 MPa.

5. Problems
5
4. A 200mm diameter pulley is prevented from rotating relative to 60mm diameter shaft by a 70mm long
key as shown. If a torque T = 2.2 KN.m is applied to the shaft determine the width b if the allowable shearing
stress in the key is 60 MPa.

6. 6
Thank you