The Physics of Inclined Planes
ฝัง
- เผยแพร่เมื่อ 14 มี.ค. 2021
- Mr. H discusses the physics of objects moving along inclined planes. The identification of the forces, the drawing of a free-body diagram, the components of gravity, and the application of Newton's second law to the analysis are discussed in an organized and understandable manner.
You can find more information that supports this video on our website:
Lesson Notes:
www.physicsclassroom.com/Phys...
Slides:
www.physicsclassroom.com/Phys...
Teacher Resources
www.physicsclassroom.com/Phys...
Student Action Plan includes:
Concept Builders: Free-Body Diagrams for Inclined Planes:
www.physicsclassroom.com/Conc...
Concept Builders: Solve It! with Inclined Planes:
www.physicsclassroom.com/Conc...
Minds On Physics, Mission F2D5 - Inclined Planes - Free Body Diagrams
Minds On Physics, Mission F2D6 - Inclined Plane Analysis
staging.physicsclassroom.com/...
Tutorial on Forces in Two Dimensions, Lesson 3, Inclined Planes
www.physicsclassroom.com/clas...
Other Videos on Forces in Two Dimensions can be found at ...
www.physicsclassroom.com/Phys...
And finally, the Home Page of our complete Physics Video Tutorial is located at ...
www.physicsclassroom.com/Phys...
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Hey Im a little concerned! At the very end of the lesson you're supposed to divide the net force which is 5 by the mass which is 3.45. So in my calculator I typed 5/3.45 and got 1.45 m/s^2
Yes. Ouch. I don't know where the 3.20 m/s/s came from? Thats a mistake 😕. The 5.0 N and 3.45 kg are correct but the final calculation of acceleration is incorrect. Thanks for the heads up.
@@PhysicsclassroomVideos Thank you so much! I'm helping my husband study for a test and needed a refresher on some physics concepts. Your video was very helpful!
Thank you very much! I have an exam tomorrow and it really helped me out in understanding all the variables involved!
the king of clear explanations! thank you
Thanks for your kind words.
Super clear, thank you!
Really helpful and clear explanations -thank you very much!
Explanatory, easy to understand and detailed thanks
Glad it was helpful!
Hello, When I go to concept builder and try to solve inclined plain problems, there are six places to fill, whereas there are five forces(four in case of no tensile, and 3 in case of no friction), which implies that we will also do the components of gravity, but we can not add the parallel component..so kinda confused.
sooo nice. thanks a lot!!!
Your welcome.
You helped me so much Thankyou!!!
Happy to help!
Thank YOU!!!!!
You're welcome.
thank you.
U nailed it
amazing thankyou
Welcome 😊
Sir Please tell me how to work out friction Is there a formula to do this. Thank You
Addressed beginning on Slide 7.
you are awsome
I love your video it's straight to the point but I don't understand something
In 2:34 you introduced an axis y and x, which I get. I also know that sinα is for y and cosα is for x.
When solving for y related forces we normally do Wsinα to get Fnorm but here and in the Mechanics textbook they do Fnorm=Wcosα, and Fii=Wsinα why?
Nope. I've done it identical to your book. Eqns are at 3:40. Sine is for parallel or x and cosine is for perpendicular or y and generally = to Fnorm. Explanation as to why is given seconds earlier.
@@PhysicsclassroomVideos yes that's my question
In physics sin is used for the y axis and cos for x axis but here is flipped why, even in textbooks?
Because the angle Theta is between the weight vector and the y axis. For most other situations the angle Theta is between the vector to be resolved and the x axis.
u rule!
Oop there goes gravity
you look like my spanish teacher but uncuban-ified