Tensile Stress & Strain, Compressive Stress & Shear Stress - Basic Introduction

This physics provides a basic introduction into stress and strain. It covers the differences between tensile stress, compressive stress and shear stress. It provides the equations and formulas to calculate the different forms of stress and strain as well as the shear modulus of an object.
Static Equilibrium:
• Static Equilibrium - T...
Elasticity and Hooke's Law:
• Elasticity & Hooke's L...
Elastic Modulus:
• Stress & Strain - Elas...
Bulk Modulus:
• Bulk Modulus of Elasti...
___________________________
Volume Unit Conversion:
• How To Convert Cubic C...
Specific Gravity & Density of Mixtures:
• Specific Gravity and D...
Will It Sink or Float?
• Will It Sink or Float?
Intro to Pressure & Fluids:
• Introduction to Pressu...
Atmospheric Pressure Problems:
• Atmospheric Pressure P...
____________________________
The Gallon Crusher:
• Physics - Fluids & Pre...
Absolute Pressure Vs Gauge Pressure:
• Absolute Pressure vs G...
Water Pressure Vs Gauge Pressure:
• Water Pressure, Gauge ...
Full-Length Videos and Worksheets:
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Physics PDF Worksheets:
www.video-tutor.net/physics-b...

[@TheOrganicChemistryTutor]

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I only had one professor who video-recorded his lectures, which I had to watch because his lectures conflicted with my ROTC lab schedule. I learned more from his VHS lectures than from any in-person class. In the video lecture, he zoomed in on the board. And if I got sleepy, I just pushed the STOP button on the VCR, refreshed myself with a short nap, and then resumed where I left off.

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[@Angablue]

I have a question about the cross-sectional area on the Stress calculation, please. In your video, precisely at 02:33, you showed the cross-sectional area of a solid tube, but what about if the tube is hollow? How do I do it?

[@animationspace8550]

Then go about the area around that tube by calculating the area of the inner and outer circle and OH THIS IS TWO YEARS AGO. Sorry if I was too late to help.

[@randomdarwish8269]

@@animationspace8550 nah I think your just in time if you ask me

[@jamepatrickbaldovino7977]

If copper wire what is the formula in cross-sectional area

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@@randomdarwish8269 *me showing up 2 years later*

[@mfitimanaamani4027]

thank you, but I wish to explain me for wedge friction calculation problems.

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[@RonnieRancid]

Me: tinsile is stretching, the other one is compressing, and shear, uh, the cube does it's own thing, I dont know

[@mrhatman675]

Wtf were you thinking

[@ar0568]

Tensile is change in length/size, shear is change in form/shape

[@asangwuaikein]

Almost. Tension is the opposite of compression. When an object is experiencing tension, it's being pulled apart, so it will get taller and thinner. When an object is in compression, it's being squeezed, so it will get shorter and fatter. Tensile strength is an object's resistance to defamation. Defamation is the measure of how much an object becomes taller/shorter or thinner/fatter.
Normal Stresses are forces that act perpidiculate to a surface, like standing on a floor or pushing against a wall. Shear Stresses are forces that act parellal to a surface, like slide an object across a floor or rubbing your hand across a wall.

[@eien7228]

so in order to make the sigma torque 0, the force must equal the weight right?

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[@zahrakosgi9290]

Brilliant video! Audio quality could be better though...
Nevertheless, Anyway it was really informative and awesome!

[@francist6206]

In the shear strain 3-dimensional drawing of the block, shouldn't area (A) be normal to the direction of the force (F)?

[@Teo-uw7mh]

correct

[@jeetenderkakkar7570]

Hello
What is stress

[@MogguSama]

wouldnt it make more sense to swap the directions of F3 and F4 at 11:47

[@declan8577]

The object pivots on the right bottom corner so no the gravitational force should be on te left side since that's the side that would be lifted

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[@derrick8044]

8:06 shear strain
shear - change the SHAPE of the object

[@mahmudhayet6474]

why do we need a downward force?

[@butterplayz_yt9606]

Then it’ll just be at equilibrium, so there will be no stress and wouldn’t be a problem at all

[@876sicario9]

How do we find the minimum stress

[@tomatrix7525]

Rae Illest Minimum stress to do what? If it gives details as to what perhaps we could answer. Otherwise, well the minimum stress is 0?

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A lot respect
from MOON
😛

[@maleehaaamir665]

Does compressive strain account for one dimensional deformation or three dimensional deformation?
Please reply.

[@HaiderAli-co9jl]

Can be both

[@mrhatman675]

Actually only 3d hooks law is for one 1d

[@clairvoyantking959]

"my drawing is terrible but you get the picture." lmao

[@angryyoungman66]

you didn't explain how to calculate the stressed length in the first place
to use it then to calculate the strain and the change in length
how are we supposed to find the change in length if we don't know what's the stressed length
can you tell what 2 + ? = equals

[@AB-gu9ui]

The Stretched length would be given to you in the question, or they could give you the change in length whcih you could then use to find the stretch length. As long as there is only one unknown in that equation then you can solve for anything

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I am confused that how we can pull a concrete 🤔

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What do Lo means

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Initial length

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Initial length delta l is extention

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Pls just say full lesson not introduction because you a basically teaching me every

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"20 times 10 to the 6th power"
is incorrect scientific notation.
It should be written as,
"2 times 10 to the 7th power".

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Me

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How came here bcuz of studying dental materials?