Thermal Stress and Strain - Basic Introduction - Compressive & Tensile Forces, Elastic Modulus Video
This physics video tutorial provides a basic introduction into thermal stress and strain. As the temperature increases, the length of the rod increases; therefore, a compressive force is exerted by the two vertical supports to keep the rod at constant length - the material is under compressive stress. As the temperature decreases, the length of the rod natural decreases. Therefore, the clamps exert a tensile force to keep it at constant length - the material is under tensile stress. The force is the product of the elastic modulus / young's modulus, the cross-sectional area, the coefficient of linear expansion, and the change in temperature. The thermal stress is the force divided by the area.
Physics Video Lessons:
https://www.video-tutor.net/physics.html
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Linear Expansion of Solids:
https://www.youtube.com/watch?v=dWzX3hBYxdk
Temperature Conversions:
https://www.youtube.com/watch?v=6qiYcyhI158
Heat Energy - Unit Conversions:
https://www.youtube.com/watch?v=Pwr_yzR4kA4
Molar Heat Capacity:
https://www.youtube.com/watch?v=Vr3FJLxpdrU
Calorimetry Problems:
https://www.youtube.com/watch?v=BGcDUybbTW0
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Specific Heat Capacity Problems:
https://www.youtube.com/watch?v=ePm_N6RgLfk
Final Temperature Calorimetry Problems:
https://www.youtube.com/watch?v=lxMwyxvSqgk
Latent Heat of Fusion and Vaporization:
https://www.youtube.com/watch?v=dxtz2POUTJE
Conduction, Convection, and Radiation:
https://www.youtube.com/watch?v=bRZwzy0xvhM
Heat Current and Temperature Gradient:
https://www.youtube.com/watch?v=62nNz3mFr6U
Thermal Conductivity and Stefan Boltzmann's Law:
https://www.youtube.com/watch?v=LR5bYxC4syI
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Boyle's Law Practice Problems:
https://www.youtube.com/watch?v=v8r_AU_TlPg
How Does a Bike Pump Work?
https://www.youtube.com/watch?v=I0b_i6-HLBA
Charles Law:
https://www.youtube.com/watch?v=uZ2d79NFx2w
Gay Lussac's Law:
https://www.youtube.com/watch?v=RszgzH_2A9k
Final Exams and Video Playlists:
https://www.video-tutor.net/
Physics PDF Worksheets:
https://www.video-tutor.net/physics-basic-introduction.html
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