Contact Forces

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Contact Forces

Рет қаралды 47,979

Күн бұрын

048 - Contact Forces
In this video Paul Andersen explains how contact forces result from interatomic forces. The following forces are explained at the interatomic level: normal force, applied force, friction force, tension force, spring force, and buoyant force.
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Music Attribution
Title: String Theory
Artist: Herman Jolly
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All of the images are licensed under creative commons and public domain licensing:
Alexandrov, Oleg. Illustration of a en:Simple Harmonic Oscillator, June 2, 2007. self-made with en:Matlab. Converted to gif animation with the en:ImageMagick convert tool (see the specific command later in the code). commons.wikimed....
“Coulomb’s Law.” Wikipedia, the Free Encyclopedia, August 27, 2014. en.wikipedia.or....
“Newton’s Law of Universal Gravitation.” Wikipedia, the Free Encyclopedia, August 27, 2014. en.wikipedia.or....
“Quark.” Wikipedia, the Free Encyclopedia, August 26, 2014. en.wikipedia.or....
“Weak Interaction.” Wikipedia, the Free Encyclopedia, August 26, 2014. en.wikipedia.or....
n.d. commons.wikimed....

Пікірлер: 37

@franzjanganieribarbosa4114 6 жыл бұрын

In all of my years in school, I've never had an explanation like this one! Very awesome video.

@Th3z0mbi3surviv0r 10 жыл бұрын

Keep up with the great work! It's really helping with my physics course.

@Bozemanscience1 10 жыл бұрын

Th3z0mbi3surviv0r Thanks so much. I love physics and it has been fun to work through these videos. Happy to hear that you find them helpful.

@artididitagain 10 жыл бұрын

I have thus far been unable to go to college. Videos like this help me a lot to make visual connections to what I am reading in the books in the library. Thank you very much Mr. Anderson.

@Bozemanscience1 10 жыл бұрын

Artididitagain I'm happy to hear that the videos are helping out. Continued luck with your studies.

@AK-tk1qh 3 жыл бұрын

I never ged so clarity in my whole academic physics ,thqnku so much , plz make video on tension and pulley system in detail

@atklecz2695 9 жыл бұрын

This is really helpful! I've watched all of your bio videos and most of your chemistry videos. The physics videos have come at the perfect time. Showing how surfaces aren't flat on the micro level helped me understand friction earlier though and it might help people in this video though.

@geekbuddy4 9 жыл бұрын

Thank you so much. Liked how you explained from the microscopic level. :)

@tonyztyles8330 10 жыл бұрын

Love expanding my mind with these videos, thanks

@juliehodgden8067 3 жыл бұрын

I learned kinematics decades ago and never fully understood friction until now! Thank you!!

@bonestennyson2521 6 жыл бұрын

This is helping me in my science class at this exact time

@Plank8642 Жыл бұрын

So essentially, applied contact forces break down to electromagnetic force? So when you are pushing something or kick a soccer ball….the electromagnetic force is what these contact forces boil down too?? Please respond…i’ve been trying to understand contact forces for some time and your videos are the closest i have gotten…thank you!!

@Neueregel 10 жыл бұрын

Good video and represantations. In reality, no surface ever 'touches' with another in atomic/quantum level.

@ujjawalkumar4540 4 жыл бұрын

This video clear the Concept of Contact Force.... Nice Video... Thank You Sir....

@jisooree3864 9 жыл бұрын

you always help me learning science... thanks!!

@michaelransom5841 4 жыл бұрын

maybe you could do a video to explain how the interatomic forces arise through changes in charge density in the EM field.

@karancharlee 2 жыл бұрын

If these are all electromagnetic forces caused due to polarity in atoms, shouldn't the applied force on the box attract the box? and only when atoms of our hand get real close to the atoms of the box, then there should come the nuclear force which will actually push the atoms of the box away, so is applied force really electromagnetic or nuclear?

@Ali-mi9up 7 жыл бұрын

Really great videos, keep it up

@shivajoshi9068 5 жыл бұрын

awesome but is this an analogy or this is what actually happens between them? if it is then it is awesome thanks

@safaasamir7491 7 жыл бұрын

thank you very much you really helped me ✋

@abdulkaiyum522 7 жыл бұрын

yes it is very helpful

@swapnilsingh5788 4 жыл бұрын

It's awesome Sir However I don't know how spring acts at atomic level

@wafeeqahqazi 7 жыл бұрын

Thanks Sir :)

@Mau365PP 9 жыл бұрын

Bozeman Science nice video! I just have some questions about the buoyancy force. Why according to the archimedes principle, the buoyancy force is equal to the weight of the fluid it displaces? And why the buoyancy force seems different to the third law of newton in contact forces? -> "normal force=applied force (in the surface)" Cause "the normal force" in fluids (buoyancy force) is not equal to the weight of object in the fluid, instead it is equal to the weight of the fluid displaced (otherwise everything would float, WATt?!¡) (i'm pretty sure it is not different, but in the lack of knowledge "my case haha" it looks different) This also makes me think that is the same phenom present in air resistance (the phenom that makes running through the air more comfortable than running towards a wall of concrete) I hope you can answer me, thanks!

@Mau365PP 9 жыл бұрын

Bozeman Science can you respond to my question please, im confused...

@arunabhbhattacharya5314 6 жыл бұрын

What about Muscular Force and Mechanical Force? Aren't those also examples of Contact Force?

@centaur8518 4 жыл бұрын

The two forces you mentioned fall under the category of "applied forces"

@sanskartiwari2996 5 жыл бұрын

Thanks

@rekhahere1259 7 жыл бұрын

thanks

@AK-tk1qh 3 жыл бұрын

👍❤️❤️

@Elixir404 9 жыл бұрын

physics made easy:)

@johnmastroligulano7401 10 жыл бұрын

Be water my friend.

@Bozemanscience1 10 жыл бұрын

John Mastroligulano "Don't get set into one form, adapt it and build your own, and let it grow, be like water." - Bruce Lee

@jamesvanrooyen6977 7 жыл бұрын

what the futu

@michaelryd6737 Жыл бұрын

You have to learn this explanations about 4 fundamental stupid and wrong forces, in todays physics but please don´t believe in them b/c most of the forces mr. Anderson is talking about, are wrong and you will, in due time understand that if you are going to work with physics!