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Static Equilibrium - Tension, Torque, Lever, Beam, & Ladder Problem - Physics
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- เผยแพร่เมื่อ 6 ต.ค. 2016
- This physics video tutorial explains the concept of static equilibrium - translational & rotational equilibrium where everything is at rest and there's no motion. This video contains plenty of examples and practice problems.
Static Equilibrium:
• Static Equilibrium - T...
Elasticity and Hooke's Law:
• Elasticity & Hooke's L...
Tensile Stress:
• Tensile Stress & Strai...
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:
/ collections
Physics PDF Worksheets:
www.video-tuto...
Here is a list of topics:
1. Static Equilibrium Problems
2. Balancing a Seesaw - Lever Problem - Using Forces and Torques
3. Torque equals force times lever arm / moment arm
4. Positive and Negative Torques - Clockwise vs Counterclockwise rotation
5. Hanging Sign Tension Problem - Finding the tension in the two cables at two different angles
6. Hanging sign attached to a beam problem - how to calculate the horizontal and vertical components of the force exerted by the hinge and pivot point
7. Hanging sign attached to a beam at an angle - determining the tension force in the cable
8. Ladder Problem - How to find the force exerted by the wall on the ladder and the horizontal and vertical components of the force exerted by the ground / floor on the ladder.
9. Ladder problem with man on top. How to determine the coefficient of static friction that prevents the ladder from sliding down - Normal force and static frictional force calculations.
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Final Exams and Video Playlists: www.video-tutor.net/
Full-Length Videos & Worksheets: www.patreon.com/MathScienceTutor/collections
Next Video: th-cam.com/video/HALbtyDUjp0/w-d-xo.html
Helped me through high school, now helping me getting my engineering degree.. The man is a legend .. Protect him at all cost ...
too bad you cant use him once you get into the upper level classes rip
This is used in engineering degree ? I’m 16 doing this 🥴
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… I’m doing this in high school
@@m26munk58 bruh .. we all did this in high school. Physics course for engineering is more advanced. We gotta review the basic
Soothing sound
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Alot of examples
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As an engineering student, subjects like Physics, Calculus, and Chemistry are some of the important subjects in this course. But not all students can immediately understand what the professor teaches in only one sitting. This video gives a great introduction to static equilibrium as this topic is very important for engineers. It is essential since it is the engineer's responsibility to develop and construct a structure that is stable and does not fall, slide, or tilt.
Static equilibrium is not an easy lesson and there are many formulas that need to be remembered but the lecturer of this TH-cam channel gave an easy-to-understand explanation of the topic so that students could understand it right away. He also gave real-world practice problems to further deepen the students' understanding of static equilibrium. Furthermore, the ability to rewind a tutorial video on social media will be very helpful to learners if they are having trouble understanding a part of the lesson they are studying. The video is a guide for students to clearly understand those complicated topics. However, it is crucial that students have their notes from discussions with their professors that could be a big additional help upon reviewing the topics that had been tackled.
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32:08 tension force prob
44:06 ladder
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He has almost 3 mill subscribers
@@nemifjord7119 correction he got to 3.21 million subs
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I'm watching this an hour before an exam
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What the hell, how do you legitimately type like this
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You couldn't read it but I did
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What's A God To A Nonbeliever? More like, What's A The Organic Chemistry Tutor To A Failing College Student, thank you sir for your service. 1 like is 1 respect
WTF? We have this shit in highSchool!
@@Irioberzan first year uni includes high school review
@@Irioberzan a lot of colleges have a bridging (foundation) course for some undergraduate students as their first semester in college for those without a GCE A-Level, IB, SAT2, American Diploma etc... so that explains it.
@@Irioberzan Yep in university you get to take again things you've done in highschool... So i would suggest you to study well subjects you intend to pursue at uni (these were some of my regrets lol) and that will make your life much easier
A savior
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true especially when your learning during the pandemic
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honestly this guy is saving me in college lmao -- I'm taking an introductory physics course, and even though my high school teacher was great, college is just a lot harder with the content. plus, even though I'm a math major and I love calculus, I DESPISE physics and have never been good at it ! so this video is super helpful for me !!
also, my calc 2 class is online with a terrible professor, and his video on the convergence and divergence tests literally saved my quiz grade, honestly idk what I would do without the organic chemistry tutor ! the videos save me a lot of time since they're faster than studying, + I learn better with the crash course-style bc of my short attention span, not to mention everything is explained so clearly -- I can see why certain steps are being taken instead of simply memorizing how to do it, so I understand everything a lot more clearly. overall, thank you - these videos have been extremely useful to me and countless others :) !!
thx bro, i finally understand the use of moment arm. Our physics teacher doesn’t even taught us…
Second hanging sign problem - I did have to watch it 5 times for it to really sink in, but now I think I finally understand the concept of Torque = Fr(perpendicular). I kept asking my professor how it relates to SOHCAHTOA in geometry because I knew there was a connection. But he kept telling me not to think of it that way. Your explanation is so clarifying. Thank you!
You're probably an engineer by now, but I'm sorta old school and don't trust the whole rFsinθ thing, so I definitely go the trig route. It's a little slower but I can see exactly what I'm doing.
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@@stephanietrevisan7672 me too in high school lol why
@@stephanietrevisan7672 in high school AND college. And i still have to go back here for enlightenment
Me too in college
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24:33
We know that:
Sum of forces = 0
Sum of clockwise tension= sum of anti-clockwise tension
T sin 30 * 2m = 200kg(9.8)(2m) + 30kg(9.8)(1m)
Tension = 4214 N
I like pausing the video and trying to solve myself. But if I don't get the right answer you do a good job of explaining the problem so i can find my mistake.
Which grade are you???
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Just want to say that your lessons are really good. The way that you explained everything makes me wonder why I even signed up for my physics class in university, when literally I could just watch your videos.
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55:14 could be my calc setting but when you simply use the triangle to determine the angle it does not match the value you got using the force component - sin 0 = 8/10 which is 53.13🤔
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I want to clarify to the problem of a Beam and 20kg block. Isn't Normal Force supposed to be added to the sum of the Forces in the Y Direction?
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Excellent pace and very illustrative problems, thank you. However, in the first ladder problem, was wondering why you did not consider Fwy at the wall. Then, in the 2nd ladder problem which was the last problem, you mentioned to assume no friction at the wall. So I assumed the same applied to the first problem too. Would be interesting to solve with assumption of friction!
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This guy deserves an award
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At 55:15, is the angle measure between the forces really supposed to be different to the angle measure between the ladder and the ground? Because if you take the length of the ladder (hyp = 10) and the height (opp = 8), then you'd get theta=arcsin(8/10)=53.13deg
You're still my best teacher 💓
Thank you very much for this well detailed and explained video
It really helps
at 27:09 where did you get 9.8 when you calculated the weight of the beam?
I know it's 2 years late but 9.8 is the value of gravity pull. You'll need it to calculate the force that the mass exerts so you multiply the mass with 9.8
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Thank you so much! Your videos help a lot for my Physics class.
Honestly you cleared up Equilibrium for me, you are awesome
Hi! This is in relation to the last problem. Should we really use half of 12 (the horizontal distance) as the lever arm of the beam? What I initially thought was to use half of the length of the beam itself, using the center of gravity of the beam, which in this case is 15/2=7.5. Anyways, this is just to clarify everything! :) Thank you so much for your help! You definitely help me survive all my college classes Y_Y
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cool video, helped me out. Thx!
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At 16:35 sin 50 = 0.766 by adding sin 40 and 50 we get value of 1.409 and if we divide 784/1.409=556
At 9:00. Dont we have a force in the line between the mass and the to seperated lines?
Thanks alot. You helped me study for my mechanics quiz
you saved me from my terrible physics teacher!
In 34:30, While calculating the sum of the net forces in the Y direction, why didn't you add the force holding the block up. Isn't there supposed to be a force( Another tension force maybe, 🤷🏽♀️ that holds the block upwards?