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Hooke’s s Law When a spring is stretched, there is a restoring force that is proportional to the displacement. x m F F = -kx The spring constant k is a property of the spring given by: k F x The spring constant k is is a measure of the elasticity of the spring.
Stress and Strain Stress refers to the cause of a deformation, and strain refers to the effect of the deformation. The downward force F causes the displacement x. x F Thus, the stress is the force; the strain is the elongation.
Page 1 and 2: Chapter 13 - Elasticity A PowerPoin
Page 3 and 4: Objectives: After completion of thi
Page 5 and 6: Elastic Properties of Matter An ine
Page 7: An Elastic Spring A spring is an ex
Page 11 and 12: Summary of Definitions Stress is th
Page 13 and 14: Example 1. A steel wire 10 m long a
Page 15 and 16: The Elastic Limit The elastic limit
Page 17 and 18: Example 2. The elastic limit for st
Page 19 and 20: The Modulus of Elasticity Provided
Page 21 and 22: Young’s s Modulus For materials w
Page 23 and 24: Example 4: (Continued) Y = 8.96 x 1
Page 25 and 26: Calculating Shear Modulus F l d A S
Page 27 and 28: Volume Elasticity Not all deformati
Page 29 and 30: Example 7. A hydrostatic press cont
Page 31 and 32: Summary Types of Stress A tensile s
Page 33 and 34: Longitudinal Stress and Strain L L
Page 35 and 36: Young’s s Modulus For materials w
Page 37 and 38: The Bulk Modulus Volume stress F A

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