Static Equilibrium - Tension, Torque, Lever, Beam, & Ladder Problem - Physics
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- čas přidán 28. 08. 2024
- 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.
Final Exams and Video Playlists: www.video-tutor.net/
Full-Length Videos & Worksheets: www.patreon.com/MathScienceTutor/collections
Next Video: czcams.com/video/HALbtyDUjp0/video.html
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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
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For real. My physics teacher posts tons of videos instead of lecturing over zoom (which I completely agree with) but she posts videos of people trying to be as whacky as possible to make science.. fun? But it is just soo damn distracting. This is always where I choose to learn.
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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 CZcams 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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@@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.
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A savior
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I love how every time, never fails...”according to SOH-CAH-TOAH” every time an angle comes up.
thx bro, i finally understand the use of moment arm. Our physics teacher doesn’t even taught us…
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 !!
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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 in high school AND college. And i still have to go back here for enlightenment
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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
Mate your a lifesaver, instantly subscribed!
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🤔
thank you so much for creating these video. literally a grade saver.
i am not native English speaker but i still understand it way much better than explanation of my school teacher
i feel you :D
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!
this man is better than every single profesor in the planet
Who else has an exam tomorrow 😂
Me 😂
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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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Thank u.. at first its so hard to understand because its something new for me..but until the last example, I understood 👍👏💕
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quite useful for jee concept clearing too...was damn stuck on ladder and hinges
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me too
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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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Honestly you cleared up Equilibrium for me, you are awesome
I have a physics exam tomorrow and bro ur better than our teacher
THE BEST TEACHER
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Organic Tutor ..ulikapondo Sana🔥..here in Zambia @ the University of Zambia you're helping a lot of Natural science students ✊🏾
Hey, Hey, Chief! 1 Question: If you say that the ground force is exerting a force along the ladder's length, and decomposes into FGy and FGx, it's also true that the wall ALSO exerts a force onto the ladder and should be decomposed into FWx and FWy!!!
I think so too :/ I was literally scrolling through the comments to search if someone had addressed this note and if they got a reply explaining why this isn't the case.
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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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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
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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
My man, keep up the good work.
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?
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