Introduction to Inclined Planes
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- čas přidán 16. 02. 2021
- This physics video tutorial provides a basic introduction into inclined planes. It covers the most common equations and formulas that you need to solve inclined plane physics problems. It provides the formulas needed to calculate the normal force, the component force of gravity parallel to the incline, kinetic friction, net force, and the acceleration of the object. It provides the free body diagrams that go with these formulas to solve common problems with newton's laws of motions.
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Dear Sir,
Please clarify anything wrong here ?
3:41 - Triangle on the "right" compares to triangle on the "left" (the red line you have just drawn ==> Should it be x-line direction and the other one should be y-line direction (meaning other way around)?
That is x = mg sin (theta) and y = mg cos (theta) ?
Sir,
Please compare carefully situation between 7:14 and 8:44. To me, it is "the same"
Seem to me that you are treating object moving to the "Right-Hand-Side" direction is "+ve". Right?
Hence, Fx = -ve as object moves Left-Hand-Side in 8.44 ==> ax = -ve
==> 7:14 = 8:44, that is, Fx = -Fg - Fk
@@huyanhle Yes, that's true. As long as we stick to one frame of reference. We should be getting the same answer. we should be getting both the magnitude and direction correct.
Hi. I know you deserve remuneration for your efforts but some of us cannot afford to pay for the patreon. I really wish there was another way because your videos are helpful and I really need them
Start 0:14 formulas,2:16 finding acceleration,5:20 friction then acceleration,7:18 sliding up,8:45 another sliding up problem,10:12 problem solution 1 ,14:15 problem solution 2
THANK YOU
Hey thank you!
9:43
Sir how could it is sliding up in the left direction if the acceleration is going to the right(down)?
@@menglimarrero4296 there is a starting velocity that you didn't take into account
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Professor Organic Chemistry Tutor, thank you for an awesome video/lecture on The Introduction to Inclined Planes in Physics/Engineering Physics. The free body diagrams are the heart and soul of solving inclined plane physics problems. All physics students must know how to draw and analyze free body diagrams in physics. This is an error free video/lecture on CZcams TV with the Organic Chemistry Tutor.
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For those who want some more exercise on the decomposition of vectors in these inclined plane exercises, I made a video specifically for this: czcams.com/video/SD546C52Okc/video.html
It might help some of you :)
Thx bro 😄😄
@@shanmugasundarisubramanian3884 You're very welcome (::
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For getting Fx why are you using sin instead of cos? I thought we would always use cos for x and sin for y like in kinematics?
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20:38 this is debatable, making it come to a stop makes it seem like there is friction on the incline which is not included in calculations. gravity will ultimately pull the block back down. what i did was multiply the time it takes to get to its max height by 2, which is saying that it will reach a max height and then go back to where it started.
Just what I needed for my physics class. Thanks.
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thank you very much for the video
at 2:53
Fnet on y-axis should be zero to say that Fn=mg cos(angle), while the object is moving at an angle which means that it's moving with acceleration on x and y axes which means Fnet on y, is not equal to zero
Excellent .
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Really dissected it there
i loveyouru videos and you do a great job explaining everything, but at 1:40.. you should have used the bottom line as x as it is parallel to the x axis of the incline and should have used y as the line perpendicular to the incline. because you did it backwards i had to keep in mind that for every formula you gave for sin and cosine, i had to switch them. just saying..but other than that great job and thank you very much.
If you are trying to find the acceleration down the incline and in the problem you are given the weight of the block, do you need to use it since you said you can find it without?
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Thank u very much. But how can a body produce a negative accerelation ?
Thank you!
Thank you for the video it has really helped me 😊, but I'm a bit behind when you were deriving the formula for kinetic frictional force, what is uk and us on the formulas?
prolly don’t need this anymore but it’s the kinetic coefficient and the static coefficient
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Thank u very much. But what would the solutions be if there was friction( In the second problem??)
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Nah this is so weird 💀 we are learning inclined planes tomorrow and then this video shows up. I always see comments on your other videos about you showing up when people need it 😭
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Thanks for the explanation 🙏.. now how do you tell the direction which the free body diagram should face to give you a postive or a negative value for acceleration ? 😓😓
Sir, this is my doubt too
Thank you
God bless you sir...