Mechanics of Materials: Lesson 1 - Intro to Solids, Statics Review Example Problem

[@gorchcleave5393]

While his brother Chris helps catch internet predators, Jeff helps us become engineers. Great duo.

[@gorchcleave5393]

No one cares.

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@@gorchcleave5393 Why'd you comment on your own post lmao

[@semimaky]

@gorch cleave Is it true that most people call him Jeff Hanson, but you, you call him Jeff Handsome?

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@@semimaky get out of my head.

[@hallfamily2141]

Just wanted to update I got a 4.0 this past semester. Your help was greatly appreciated. Here's to hoping I can continue on with this crazy nonsense of full-time work and school. Taking Dynamics, Solids, Thermo, and Principals of Electrical this round. Pray for me

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i know this is too late, but congrats buddy!!!

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Where's the Programming course?

[@mikej5571]

I am in the same boat, working full time and school. Just finished summer school session and got an A in statics thanks to these videos. About to start solids in 2 days

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Good luck that sounds absolutely brutal

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Update?

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just the energy in the begging of the video made me smile, i’m just starting this course and clueless of what’s happening so you’re a life saver to me 🥺

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This man's channel is a gold mine for engineers

[@ShAlAmAnAyA3]

It's funny how it's only been a few months since I took Statics and I've forgotten most of these things. I thought it was all over but nope...they're back again lol

[@FUBAR_JONNY]

This is my nightmare..

[@aeshaan749]

i feel you bro , i am just back from summer break having a formatted brain shook that i’m retaking this all over || heart broken ||

[@msamuelw]

Just had my first class, and I’m lost lmao god help me

[@commentedited232]

trust me you haven't seen the worst yet, Dynamics is the real rock bottom

[@msamuelw]

@@commentedited232 i'm taking both this semseter :(

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Dr Hanson, You look like have lost some weight and look very healthy. Keep up the good and healthy life style. We need your service for years to come. Thank you for all your tutorial and appreciated !

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[@projectiles2556]

You have helped me so much in Statics and now I will be taking Solids in the spring semester, I'm so thankful that you have also made videos for this class!

[@lincolnclay9106]

Watched this video 3 weeks ago and found that I needed to review statics with Dr.Hanson's videos. Now here I'm back!

[@chriswilt4022]

I teach this class at SMU and I refer all my students to your class to give them another perspective. It is a great help! Thanks!

[@1234jhanson]

Glad it was helpful!

[@craig7878]

@@1234jhanson When using global equilibrium equations, I thought they were primarily for solving reactions using externally applied loads. Once reactions are determined, we then solve for internal forces like FCD. Can I use global equilibrium equations to solve for both unknown reactions and internal forces simultaneously, using the externally applied loads all at once? Or do I need to first solve for reactions and unknown external loads, then set up equilibrium equations again for a joint to solve for internal forces?

[@floralian2485]

Watched a few of your videos and its really helpful!! Really like how you sound so joyful when you are talking. Definitely will fail my solids unit without your videos lol. Thanks a lot!!

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[@georgegithinji935]

I really enjoy your classes: this guy is funny, concepts made easy and giving enough examples thanks alot

[@Peter_1986]

My course in "Mechanics 2" in Sweden (or "Mekanik 2", as we call it) was more similar to a Dynamics course - it involved a lot of 3D forces and moments, 3D rotation, gyroscopic precession, and a little bit of 3D statics as well. It also introduced the Lagrangian method, which was an interesting form of free-body diagram that actually involved energies.

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happy for this guy sharing his valued knowledge

[@camhowden1445]

Omg, the opening track brings back memories xD Used this channel so much in Statics :), thanks a bunch Professor Hanson!

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Sir I would like to thank you from the bottom of my heart, your videos really helped me. Thank you.

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i love those little sound effects, watchaaaaa - gets knocked out

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i walked into class on the first day and the professor hands us a quiz. bombed it now im here

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This is great! You're doing good work!

[@anjalpaudel8713]

Taking Mechanics of Materials, dynamics, Computer Methods, Biophysics and thermo next sem. Im trynna get the hard courses familiar rn so i dont struggle as much after semester starts

[@DialPopcorn]

Any suggestions on which book to use?

[@craig7878]

When using global equilibrium equations, I thought they were primarily for solving reactions using externally applied loads. Once reactions are determined, we then solve for internal forces like FCD. Can I use global equilibrium equations to solve for both unknown reactions and internal forces simultaneously, using the externally applied loads all at once? Or do I need to first solve for reactions and unknown external loads, then set up equilibrium equations again for a joint to solve for internal forces?

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We call it Structural Design in South Africa (University of Pretoria)

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damn u make me feel happy about studying, llove it when he says yo learnt that frm dr. hanson

[@supachaitragoonsubtavee7690]

What is book .do you use ?

[@woodychelton5590]

i get a different value for that vertical force V when I take the cut from the right side

[@lazuli9381]

Excuse me sir, why wouldn't the cosine component of DC not be included? Won't it be multiplied to perpendicular distance 5?

[@yigitcan824]

Because cosine component of the Fdc is passing through the point where we're taking the moment, we didn't include it

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JEFF HANSON YOU ARE THE SALT OF THE EARTH ❤❤❤

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Wonderful Lectures ! Thanks.

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which book is he using. which book do you suggest for this course

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Dear sir You are great The course Machine element design is a huge pain in neck Please help us with that Thank you

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Good job 🎉

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Is there a Mech 1 course book yet?? I have searched and all that comes up is the Statics book which I already have.

[@1234jhanson]

Not yet, writing it right now!

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I would be honored to attend one of your classes.

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they are even better than the videos. man is a brilliant instructor

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Awesome 🙏

[@astro8362]

what happened to the cos in moments equation ? why we didn't write it

[@asishrameshun]

Could someone please help me understand why 587.5 (V) is reported as having a negative value? As per my understanding, M, V, and N at the cut-section are initially considered in their positive direction. The actual direction would become apparent once these unknowns are solved. Having solved these M, V, and N values, we realize that V has a negative value of -587.5. This means that the initially assumed direction of V was wrong at the cut section. Instead of acting downwards as per the assumption, it is acting upwards. Since forces in the upward direction are positive as per the force convention, shouldn't that be reported as +587.5? I have a feeling that I am overlooking something, but could someone help me with this? TIA!

[@terrancepage9163]

just started solids today and the textbook is already meh. Dr. Hanson to the rescue!

[@milanrajawat902]

my course is Advanced theory of Mechanical Design. Is this course for me ?

[@shutnawi6635]

thanks this is helpful

[@justinvarghese52]

Hi Dr. Hanson, I don't understand why we didn't consider V while calculating moment in the last part?

[@ariyandio711]

I think if we consider V, its still times to zero (distance). CMIIW

[@Sgirl1441]

I keep thinking myself in circles here: If the the forces in the negative y direction are greater than the forces in the positive y direction than would V have to be positive to make the sum of the forces 0? I get that the value you put is "-" compared to the direction of the arrow but why not just make the arrow point up and make the value positive.

[@beoptimistic5853]

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[@jote1539]

Can you guys recommend me the books that are good to learn this subfields?

[@ourybah7633]

My program has Statics and Mechanics of Materials combined with a cumulative final exam. 🥵

[@souysf9926]

Rationnel mechanics is it solides mechanics ?

[@vicdom4958]

For my major it’s called stress analysis

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[@ianwiersma1302]

LEGEND💪

[@emiliovelasco877]

The videos are awesome. I would like to know what book could I buy to follow up with the course. Thanks again for every single well detailed explanation.

[@thegeekynetsurfer]

Mechanics of Materials by RC Hibbler is the book we all use for this particular one

[@taufiqurrohman5367]

excuse me, I want to ask where you can get 1800 and 2400 on the left hand side

[@tyronebiggms394]

It's the area of the distributed loads (he split the load into a rectangle and a triangle). The area of those distributed loads are equivalent point loads (needed for the moment calculation), located at the center of the respective distributed load.

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[@Lightofthatstar]

16:58 why 4 i didnt understand what from “that end” meant here

[@ahammedafzal7797]

Sir Is this the same solids that you took before?

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[@armanz1105]

Does anyone know which videos from his Statics series I should focus on to relearn statics again for solids?

[@electricdry1814]

Mr. Hanson if I could ask, is this subject and Mechanics of Deformable Bodies one and the same? Edit: Nevermind upon seeing the video it is the same subject.

[@engineeredchannel5649]

Yes it is!

[@TheGiraffeQueen]

Our university calls Materials. There's other courses that is called Materials 1 and Materials 2, which is related to materials lol I wish this video was available when I was taking Materials course..... Now I'm taking stress analysis and I'm dying

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[@hamzaeisa1666]

Sir, can you do us deflection by moment-area method

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[@stevemaldonadomelendez1790]

Thanks professor

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[@FeeRi-c2f]

can anyone explain how to know when to use cos vs sine at point 7:46 minutes into the video ? I find myself guessing which to use with no rhyme or reason

[@eyadokid]

sin is for the y axis cos is for the x axis

[@MIGRAINEboys]

ty man

[@berin7417]

i still not uderstand why he didnt take the ununiform load as a one distributed load why did he divided it into tow loads uniform rectangle and distributed triangle can anybody helps???

[@abdullahal-asmari5847]

For the last step when we take the sum of the moments, I tried to take the moment at A just to see what would happen expecting to get a similar answer, but I didn't, even though the sum of the moments should be = 0 and one unknown still stands, anyone know why I can't take the moment at A? thank you.

[@TajinderSingh-fv1vi]

not sure what went wrong, I have sum of moment about A = (-1800*2)-(2400*3)+(588.9*6) + M = 0. Then solving for M gives me 7266.6. Hopefully that helps.

[@olivierrodrigue8008]

My class is called statics and mechanics of materials so, guess it is all in one. I just finished all your statics videos.

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Brilliant !

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What is your major??? I just wonder 😶😶😶😶😶😶😶😶😶

[@dandregonzales8619]

is this the same as mechanics of solids? i think it is, but i just want to be sure. Someone please let me know

[@engineeredchannel5649]

It is the same course! Enjoy. Hanson

[@oFFline.0f]

thank you

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[@mva1santos]

What's the book used?

[@thegeekynetsurfer]

Mechanics of Materials by RC Hibbler

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I didn’t take statics or anything yet here I am 🤡

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[@Lightofthatstar]

16:58 why 4 i didnt understand what from “that end” meant here

[@rob0674]

"that end" is point B

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Ch SP né amor e amanhã vou lá no médico e amanhã vou lá no médico amanhã às três horas da manhã vou levar o almoço está e e e e e e o almoço está falando comigo no centro

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