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What is the definition of Young's modulus?
What is the definition of Young's modulus?
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What is the definition of Young's modulus?
The ratio of tensile stress to tensile strain
The ratio of compressive stress to compressive strain
The ratio of shear stress to shear strain
The ratio of bulk stress to bulk strain
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Young's modulus is defined as the ratio of tensile stress to tensile strain, which measures the stiffness of a solid material.
Questions & Step-by-step Solutions
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Q: What is the definition of Young's modulus?
Solution:
Young's modulus is defined as the ratio of tensile stress to tensile strain, which measures the stiffness of a solid material.
Steps: 6
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Step 1: Understand that Young's modulus is a property of materials.
Step 2: Know that it relates to how much a material stretches or compresses when a force is applied.
Step 3: Learn that 'tensile stress' is the force applied to a material divided by its cross-sectional area.
Step 4: Understand that 'tensile strain' is the change in length of the material divided by its original length.
Step 5: Realize that Young's modulus is calculated by dividing tensile stress by tensile strain.
Step 6: Conclude that Young's modulus tells us how stiff or flexible a material is.
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