Friction Class 8 Science in One Shot (Chapter 12) | BYJU'S - Class 8

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Hey! Want to revise Class 8 Science Chapter 12, Friction? Join this One-Shot Mission Mid-Terms series to revise all the important concepts and formulas in Class 8 Science Chapter 12, Friction.
In this Mid-Term Crash Course Series, we will discuss all the important topics as well as solve questions related to friction. This session is sure to help you be well-prepared for the upcoming CBSE Class 8 mid-term exams.
In this online class, your favourite BYJU’S educator, Saurabh Sir, discusses the following topics in detail:
- Force of friction
- Cause of friction: irregularities
- Factors affecting friction
- Nature of two surfaces
- Static friction, Sliding friction, Rolling friction, Fluid friction
- Effects of friction
- Increasing and decreasing friction
Have a query? Ask Saurabh Sir in the LIVE chat box and he will answer them for you. For more similar class 8 Science video lessons, subscribe to our BYJU’S - Class 6, 7 & 8 channel.
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[@user-sq6ll4vx6e]

Hnji

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4:15 class starts

[@ushavk4569]

Thanks 😂

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Ok

[@abhinavpatel9408]

onense opon thime therr was a boy

[@zoya6565]

I understand quickly and easily by watching byjus videos😊👍

[@aparnakarun2009]

Best Teacher's and Best classs.
Thank You Byju's For This Amazing Session For The Students. This Vides Are Really Useful For All Students To Understand The Concept In A Better Way With Lots Of Examples And Activites etc.
Thank You Bujy's🙏💞

[@vjtech9188]

Thank you sir for clearing my doubt

[@hammadyasin]

thankyou very much byjus!

[@atrijbal]

Sir why the friction was there in forward if the real wheel was moving forward?

[@cobbscomedyclub5772]

but when both hand are moving together the friction acting on them is fluid friction

[@Devilgirl...893]

Thank you sir for this video 😊😊😊 it help me most 😊

[@alveerakhan....2473]

I can't understand how the friction of rear wheel is in forward🤔🤔🤔

[@muralimohanraju2]

[@Education-network...339]

Really! You all just made my day♥️♥️♥️

[@byjus-class-678]

Thanks a lot for liking the session Shambhavi🤩 Keep watching!

[@Aqu4rius.Playzz_Official]

Thank you sir, fell in love with your teaching style

[@hemantgupta8533]

😮

[@sheenamkhuranadhingra9383]

does friction come into play only when two objects are in relative motion ? If so then why do we say we need friction to hold ,as there is no relative motion in this case.

[@rekharana8167]

4:47 Rolling Friction

[@DevilSameerGaming8757]

Thanks sir for this lecture 🎉🎉❤❤

[@galaxygamer1408]

"Quantum stabilized atom mirror" is found to be the smoothest solid surface as flat, rigid, perfectly smooth

[@nireekshakamath1635]

Adhesion meaning- The tendency of different molecules to attract each other, causing materials and objects to stick together

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🔝🔝🔝physics class ever I seen in the world 🌍

[@ImPriNiorOfficial]

SIR you should be the owner of Byju's
Best teacher ever

[@harshdeepsinghshorts205]

North and South byju's is the best ❤🎉🎉

[@S41288]

Thanks sir for this wonderfull explanation❤😊

[@Katherine12338]

Sir I like ur classes and I am a subscriber of byjus I also attend live byjus classes why don't u come and teach us in our regular classes sir

[@bhaveshpatil3880]

thank you sir for this video 😊😊😊

[@byjus-class-678]

Most welcome Bhavesh😊 Keep watching!!

[@nikitabhushan5625]

best teacher for physics in byju

[@mandavisingh5733]

Thank you sir for giving wonderful explanation.I got full marks in physics. thank you for good explanation and your best wishes forehead also ❤️❤️❤️🥰🥰

[@user-dp3db6ho2e]

Exam is near 😢
Nothing is clear 🥺
No need to fear 😮
When byju's is hear 😊😊😊😎😎😎😎

[@UjwalShanny]

Thanks a lot byjuse teachers🎉🎉🎉🎉🎉🎉🎉🎉

[@anamikasharma7588]

Sir if we are not pdelling and because of the speed both the tires are still moving is there any friction at that point of time?

[@jyotimaurya1336]

Where do you discuss the live classes cause my exams are near and i want you to take live classes on TH-cam

[@naveenkaushikkanker6993]

Sir the friction exerted on rear wheel is apposite to motion not from the direction of motion

[@naveenkaushikkanker6993]

Sir .your answer is right. And Sorry for my reply. You teaches the best

[@yogitamuley5953]

Thank you byju's for your hard work 🎉❤😊

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Thank you sir

[@mehulsingh9835]

True

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Best physics teacher in byjus

[@Samarthkn811]

Sir you are the best teacher

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Best class❤😊

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39:10 ghumna hota hai😂😂😂😂😂

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BYJU'S is best ❤❤

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Hi

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True
😊

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Byju's teacher are best ❤😊 Because they are very hard working person 😊😊❤❤.
Byju's is the besttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttțtttttttttttttttttttttttttttttttttttttttttttțtttttttt❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤

[@HimanshiSadhu9294]

18:31
Because it has smooth surface

[@VaibhavShukla-8283]

Nice!

[@user-fg7tk7di2d]

Sir more than teaching you are answering those children 😢

[@user-fg7tk7di2d]

Sir actually your teaching is excellent

[@poorvapandey2506]

sir why old bags have 2 wheels and nowadays they have 4 wheels why and how it is helpful

[@bhawanasammal3756]

Thanks a lot

[@byjus-class-678]

Most welcome Bhawana🤩

[@user-sw5nt1oc8c]

Great explanation

[@atharvkushawaha1257]

Sir , there is Static friction at you explning friction

[@Devanath-ws2vi]

I understood all the concept the teacher are teaching effectivly thank you byjus

[@naveenkaushikkanker6993]

Sir back wheel also move forward

[@ananyaojha2578]

👍👍A great session
Byjus is always best👍👍
Best way to study --Byju's
Keep it up 👍👍👍👍👍👍

[@byjus-class-678]

Thanks a lot Ananya😍 Glad you shared your thoughts! Keep watching!

[@Shubham-xr7up]

Sir both are true 6:23

[@bgsongs1077]

true

[@aravindkanish8782]

Super session

[@Technologyandtelescope]

CBSE Class 8 | BYJU'S Champions Academic Series | BYJU'S Class 8 Maths

[@rongalavenkataramanamma174]

Rolling friction

[@aarudraavasarala6157]

True sir

[@nileshpatil9281]

Love you sir

[@sumangiri5765]

Very nice sir

[@byjus-class-678]

Thanks Suman🤩

[@indian123.......]

Name any object which have a '0' percent of friction

[@itsgaurav7837]

Sir pls give me notes of this chapter

[@SHAMBHUNATHDHALI]

Thank you sir very good class sir . Thank you sir

[@sethetic-_-nikki-_-mandu]

Weight how heavy the object is

[@jyoshitha4595]

👌👌We can easily understand the byju's class awesome class I love the class 👌👌

[@byjus-class-678]

Glad to hear that Pasumarthi😍 stay tuned for more such amazing sessions!

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😂😂

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Sir aap bhout accha padha te ho

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thank you, sir, for this great session!

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play free fire

[@onesidegameing6304]

Hii sir

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Sir ur teaching is really amazing

[@MahiChoudhary-mj2ui]

Qu

[@shakshamkumararya3615]

15:35 you can do it well

[@Mahiprajapati618]

What is ball bearing ??

[@neema12345]

According to me saurabh sir are best 👍👍👍💯💯💯💯😊😊😊😊❤❤❤

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There are no many shourabh sir

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Here is only shourabh sir😂

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It's used for respect

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Try to obey people

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Don't tell me to "how to obey elders okay" I know better then you

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There is 🎉🎉🎉❤🎉🎉🎉 this much interest

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my doubts are clear after watching your video

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So, you can join in byjus learn

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Sir you are greateeeeee sir❤

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Thank you sir 😊

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H is the first year for me in a couple in London for a long weekend away 😩 🙃 and a few days away and a bit more than a week to 😢😢so I can get it is the same

[@jyotishette7650]

friction causes heat and air pressure

[@krishmithil1122]

10:03 sir I have a doubt what about the mirror ?

[@priyankaraitkar9135]

😮😮

[@abhay_aayushis_world7947]

Sir I was confused with this chapter but you cleared my doubt

[@KavitaYadav-rk2vz]

Sir I want notes of 8 and 9 chapter please

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Byjus teachers are best

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Bro magnet brains is also best 💪

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Phisics Wallah is more best than magnet brains and byjus......

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Hai sir

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mujhe joh doubt rehta hai sub ye video dekh ke clear hoj ata hai
mujhe joh doubt rehta hai sub ye video dekh ke clear hoj ata hai

[@Kritika-hd2eo]

Sir I have an doubt that is there any friction between a hydrophobic plate and a drop of water on it ???????😅

[@imnotomi]

There might be friction but the amount is very low

[@adilakshmiadithyanmremesh799]

Awesome session Saurabh sir.. ❤

[@gauravwani9428]

13:14

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👍

[@mohanlalnain427]

❤❤

[@geetabadheka1586]

Sir what is lubricant?

[@guragamsingh4346]

Lubricant is a substance used to decrease friction either by making the object smooth or increasing moisture between them. This is used in cycle chains, old gates, rusty gears etc.

[@mdhassan.5197]

Masallah
Your teaching skills wher continue inspired myself ❤💞🤗

[@Islamic__thought79]

Yes you letter right md hassan ❤

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@@Islamic__thought79 👍

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❤

[@LalSingh-firtv]

[@Rapidfired]

6:40

[@supriyashetty5609]

A great session sir I like the way of teaching it inspired me a lot

[@diyaslifestyle7058]

hatt

[@amlanjyotijena7133]

But why 🤔🧐🧐

[@nirenboranirenbora9320]

Yes

[@peaceinarabic]

8:42 static friction?

[@abhinavpatel9408]

Please eat something yellow in color and semi-solid in consistency.

[@amarv3182]

doubt: IS there any1 object that has no up or downs

[@riyazahmad-wx1wl]

Thanks

[@byjus-class-678]

Welcome Riyaz🙌

[@Youtube.techy8870]

Sir,I am from class 8 icse so our teachers are focusing so much on concept and it is absent in your video you are telling the students that the unit of weight is kg but it is newton not kg ,kg is the unit of mass. However,in everyday life we take the unit of weight as kg but here we are studying physics.This thing will create confusion in children when rhey will be in higher classes so you should focus in clearing the concepts of children also. Do n't feel bad your teaching style was very good but please improve this thing.

[@frodfrod6323]

I don't know but sir I fell in love with ur teaching style 😍

[@byjus-class-678]

Glad to hear that🤩 stay tuned for more such amazing sessions!