Stress & Strain - Elastic Modulus & Shear Modulus Practice Problems - Physics

This physics video tutorial provides practice problems associated with the elastic modulus and shear modulus of materials. It explains how to calculate the stress and strain of materials when an external force is applied. Stress is the ratio of force and area. Strain is the ratio of the change in length to the object's original length. Elastic modulus and the shear modulus is the ratio of stress and strain. This tutorial contains plenty of examples and practice problems.

Static Equilibrium:

Elasticity and Hooke's Law:

Tensile Stress:

Bulk Modulus:

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Volume Unit Conversion:

Specific Gravity & Density of Mixtures:

Will It Sink or Float?

Intro to Pressure & Fluids:

Atmospheric Pressure Problems:

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The Gallon Crusher:

Absolute Pressure Vs Gauge Pressure:

Water Pressure Vs Gauge Pressure:

Full-Length Videos and Worksheets:

Physics PDF Worksheets:

[rujmud]

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[Breanzyy]

17:10
Organic Chemistry: The shape of the cube will deform a little
Also Organic Chemistry: p a r a l l e l o g r a m

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[ginogamboni]

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[taliledessalegn]

that trouble looking 8 and the other make me laugh involuntarily .thank you so much.

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[joycemutune]

is the cylinder in the first question closed on one end or both ends??

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[saleajsalaatfateaj]

A uniform wire is subjected to longitudinal tensile stress of 5 * 10^7 Nm^-2. If the overall volume change in the wire is 0.02%, then the fractional decrease in the radius of the wire is?

[younggy]

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[sebastiancevallos]

Why does it work when he uses centimeters as the area metric, but meters as L initial? I thought you couldn't combine cm and m?

[bridgettaanin]

Thanks so much this was really helpful but in the previous video you negated delta L when writing the formula for compressive strain, does this mean it's negative whatever formula you use?

[elios]

In point (c) i typed it and that was the answer 5.10^6/25.10^9 = 2.10^14 ? Is there something wrong with my calculator?