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Tensile stress is the stress state caused by an applied load that tends to elongate the material along the axis of the applied load. Compound bar is statically Define shear stress and strain. • Define the modulus of elasticity and rigidity. • Solve basic problems involving stress, strain and modulus. The emphasis is always on safety, economy, durability, nevertheless. SIMPLE STRESSES AND STRAINS. INTRODUCTION. Within elastic stage, the resisting force equals Hence by formulating the compatibility condition of total strains (thermal + elastic) the problem can be solved. Let the forces induced in steel and copper beSOLVED PROBLEMS IN NORMAL STRESS. Problem 104. A hollow steel tube with an inside diameter of 100 mm must carry a tensile load of 400 kN. Determine. Compressive stresses and strains are considered NEGATIVE in sense producing a decrease in length. w Simple Stress and Strain 3 1.5. This states that strain is proportional to the stress producing it. A material is said to be elastic if all the deformations are proportional to the load. 11.4 Strain, Stress-Strain Ciagrams and Hooke's Law. 11.5 Simple Indeterminate Problems in Tension and Compression -Illustrative Examples 11.6 Summary 11.7 Plot the engineering and true stress-strain curves on a single graph using Solve the equations given in Problem 6 by using Gaussian reduction instead of 6. Compressive Stress and. Strain. 7. Young's Modulus or Modulus of Elasticity. 8. Shear Stress and Strain.