How to Draw Shear Force and Moment Diagrams | Mechanics Statics | (Step by step solved examples)
Learn to draw shear force and moment diagrams using 2 methods, step by step. We go through breaking a beam into segments, and then we learn about the relationships between shear force and moment diagrams to draw our graphs. You can learn how to draw a moment diagram just by looking at a shear force diagram, and vice versa. Using 4 examples, you will gain a good understanding of how to do this by finding shear forces, moments, reactions at the ends, and much more.
🔹 Learn About Internal Loadings: • Internal Loadings in S...
🔹 Distributed Loads and How to solve them: • Reduction of a Simple ...
🔹 Everything to know about moments: • Moment of a Force | Me...
🔹 Solving for support reactions: • Equilibrium of Rigid B...
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Intro (00:00)
Draw the shear and moment diagrams for the beam (01:14)
Draw the shear and moment diagrams (05:47)
Draw the shear and moment diagrams for the beam (10:00)
Draw the shear and moment diagrams for the beam (12:51)
Find more at www.questionsolutions.com
Book used: R. C. Hibbeler and K. B. Yap, Engineering Mechanics Statics.
Hoboken: Pearson, 2017.
Пікірлер: 409
this guy explains things better in 16 min than my professor does in 1.5h
@QuestionSolutions
Жыл бұрын
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3 ай бұрын
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4 ай бұрын
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@QuestionSolutions
3 ай бұрын
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@QuestionSolutions
2 жыл бұрын
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2 жыл бұрын
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Жыл бұрын
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@QuestionSolutions
2 жыл бұрын
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Жыл бұрын
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Жыл бұрын
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@QuestionSolutions
Жыл бұрын
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Жыл бұрын
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@QuestionSolutions
11 ай бұрын
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@QuestionSolutions
3 жыл бұрын
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Ай бұрын
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11 ай бұрын
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Жыл бұрын
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Жыл бұрын
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@QuestionSolutions
3 жыл бұрын
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2 ай бұрын
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Ай бұрын
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7 ай бұрын
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Жыл бұрын
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3 жыл бұрын
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2 жыл бұрын
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3 ай бұрын
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@QuestionSolutions
Жыл бұрын
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@QuestionSolutions
Жыл бұрын
I think this depends on the curriculum. Some courses cover friction as a first year course, others cover it more in dynamics, and some in second year courses. I didn't cover it because I was going to make more videos in the future, just not yet for statics.
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@QuestionSolutions
Жыл бұрын
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2 ай бұрын
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7 ай бұрын
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19 күн бұрын
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2 жыл бұрын
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7 ай бұрын
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2 ай бұрын
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3 жыл бұрын
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Жыл бұрын
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@QuestionSolutions
Жыл бұрын
I am just gonna let you know that if you made it into an engineering course at a university, you're definitely not stupid. Statics will get easier, I promise, as long as you get the fundamentals right. Do as many practice problems as possible, try to solve the problems I solve in these videos without seeing the solution first, and if you get stuck, go through how I solve it. Don't beat yourself up, keep up the hard work and it'll get easier for you. I believe in you! You got this, and I wish you the absolute best with your studies :)
@fruitpunch7361
Жыл бұрын
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@QuestionSolutions
Жыл бұрын
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@fruitpunch7361
Жыл бұрын
Hello! I just want to thank you again. I’ve just received my second statics assessment results and I got 100%. I really can’t imagine how I’d be able to get that without your videos. Thank you!
@QuestionSolutions
Жыл бұрын
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2 жыл бұрын
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9 ай бұрын
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Жыл бұрын
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@QuestionSolutions
3 ай бұрын
Thank you very much :)
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@QuestionSolutions
10 ай бұрын
Thank you for the feedback! I will add that topic to my list of things to do in the future. I can't say when I can get around to it, but I will do my best :)
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10 ай бұрын
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Жыл бұрын
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Жыл бұрын
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Жыл бұрын
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@QuestionSolutions
5 ай бұрын
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I WISH you were around when I took Statics (Mechanics of Solids) hahaha Much better than my professor. I'm almost graduated now but if I may suggest something, please make videos on the stress tensor, equivalent loads, yield criterion (tresca and von mises) and beam deflection/slope/moment/shear/load for the future generation of students. That way you'd have more or less the whole mechanics of solids class for them 😊
@QuestionSolutions
Ай бұрын
Thank you very much, for the kind comment and the recommendations on topics to cover. :)
Thank you for this wonderful video, I was able to grasp the topic. I was wondering if you plan on creating videos about strengths of materials or mechanics of deformable bodies, it will be a great help.
@QuestionSolutions
Жыл бұрын
You're very welcome. I do have plans on creating videos about strengths of materials, but probably not for some time. Best wishes with your studies!
@rashicore
Жыл бұрын
@@QuestionSolutions Looking forward into that. Thank you!
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2 ай бұрын
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Жыл бұрын
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4 ай бұрын
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Жыл бұрын
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9 ай бұрын
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2 жыл бұрын
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Жыл бұрын
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Жыл бұрын
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@QuestionSolutions
2 жыл бұрын
Best wishes with your finals!!
I really like your content and you've been helping me out a lot. So thank you very much. But I like to point out one stuff. My problem is with example 3 . The result of the support reaction was a bit off for me cause the structure has a moment at the equilibrium and experience more force on the side of A. But the reaction at A is much lower than B ( 450 to 950). So I calculated the support reactions by taking moment at B zero and got different answers which should not be the case. I don't really know what the problem is but something ain't right. ( or I may be super dumb, sorry if that's the case😅)
@QuestionSolutions
2 жыл бұрын
Really glad to hear these videos are helping. As per your question, I am assuming something is wrong with how you formulated the moment equation for B. It's hard for me to say where you went wrong without seeing your steps. Also, it's very common for structures to carry forces with varying differences in force values, so you can't assume it's wrong simply because they are very different.
Thank you very much for the videos! Can I ask, for the first method used, how do you know when you need to solve shear and moment forces forth both pieces cut? I have seen examples in my notes where only the shear force and moment for one half of the cut member is solved, and used for the whole Shear force and moment diagrams.
@noalily6922
2 жыл бұрын
for both pieces *
@QuestionSolutions
2 жыл бұрын
If it's just 2 pieces, or easy to figure out in your mind, you only need to solve for one half, since you can figure out what comes next, they all have to come back to their return points on the graph. If you do enough questions, you can see what comes next without going through the steps. If you're new to this though, I think its better to solve for all the pieces :)
@noalily6922
2 жыл бұрын
@@QuestionSolutions Thank you for the explanation! :)
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@QuestionSolutions
Ай бұрын
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@QuestionSolutions
Жыл бұрын
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@QuestionSolutions
3 жыл бұрын
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@QuestionSolutions
2 жыл бұрын
Glad to hear :)
amazing content. I do have a concern, though. When you say clockwise moments are positive, this directly contradicts what my prof told me. He said to think of which way the beam bends due to the moment. If the beam makes a happy face then the moment is positive. So given a standard beam, if the moment is on the left side, a clock-wise moment is positive. If the moment is on the right side, a counter clock wise moment is postive. Can you explain your moment sign convention plz
@QuestionSolutions
2 жыл бұрын
Moments aren't positive or negative, they are either "clockwise", or "counter-clockwise" in 2D space, and in 3D space, you would use the right hand rule to determine the direction of the vector. Even in 2D space, the moment vector is still determined using the right hand rule. If it's a counterclockwise moment, then the moment vector would be straight of the screen towards you, and vice versa. This is why people usually pick counterclockwise to be positive. I don't like counterclockwise being positive, it's just a personal preference. It makes no difference to the answer. In fact, I encourage you to try it both ways, you will still get the same answer. This is what is important: -If you pick counterclockwise to be positive, and your answer is positive, then your moment is counterclockwise. -If you pick counterclockwise to be positive and your answer is negative, then your moment is clockwise. -If you pick clockwise to be positive and your answer is positive, then your moment is clockwise. -If you pick clockwise to be positive and your answer is negative, then your moment is counterclockwise. You can pick whatever side you want to be positive, like when you pick up to be positive, or down to be positive. It's just an assumption. As a convention, people generally consider positive moments as counterclockwise since they are directed along the positive z axis (out of the screen/page). It's completely up to you.
Thank you so much
@QuestionSolutions
2 жыл бұрын
You're very welcome 🙂
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@QuestionSolutions
Жыл бұрын
Thank you :)
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@QuestionSolutions
Жыл бұрын
You're very welcome!
Need videos on Friction & Moments of Inertia (Engineering Mechanics: Statics).
@QuestionSolutions
3 жыл бұрын
Hmm, I probably won't cover friction since it's been done on so many videos and there isn't much that you would need for dynamics or statics other than multiplying the normal force by the coefficient of friction, which I showed many times. For mass moment of inertia, when I get time, I will do a video because I got so many requests.
thank you!
@QuestionSolutions
2 жыл бұрын
You're welcome!
Thanks!
@QuestionSolutions
Ай бұрын
Thank you very much for supporting the channel :)
Good day! How do you find the vertex of the parabola of the shear moment diagram using the 2nd method mentioned in the video? Thank you!
@QuestionSolutions
Жыл бұрын
You can find the x-coordinate using b/2a. The maximum bending moment occurs at the location where the shear force is 0. See 9:40.
Great explanation 👌💙.. what software you have used to make these animations ?
@QuestionSolutions
3 жыл бұрын
After effects for animations 👍
Thank you
@QuestionSolutions
Жыл бұрын
You're very welcome!
thank you so mu ch
@QuestionSolutions
Жыл бұрын
You're very welcome!
Great job. I need to know which programs were used to plot the diagrams. Thanks
@QuestionSolutions
3 ай бұрын
The diagrams were drawn on illustrator.
Amazing
@QuestionSolutions
7 ай бұрын
Thank you very much!
Thanks a bunch! It is helpful! However, I don't know how to use the second method if a distributed load gas a triangular shape... It is still ambiguous.
@QuestionSolutions
7 ай бұрын
Yes, I agree, I will probably cover a example like that in the future, but the general idea is the same, your textbook/ course material should have an example with a triangular distributed load.