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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[@byjus-class-678]

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[@user-sq6ll4vx6e]

Hnji

[@divyahere1565]

4:15 class starts

[@ushavk4569]

Thanks 😂

[@Islamic__status__163]

Ok

[@abhinavpatel9408]

onense opon thime therr was a boy

[@vjtech9188]

Thank you sir for clearing my doubt

[@cobbscomedyclub5772]

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

[@zoya6565]

I understand quickly and easily by watching byjus videos😊👍

[@Aqu4rius.Playzz_Official]

Thank you sir, fell in love with your teaching style

[@hemantgupta8533]

😮

[@Education-network...339]

Really! You all just made my day♥️♥️♥️

[@byjus-class-678]

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

[@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]

[@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🙏💞

[@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!!

[@jyotimaurya1336]

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

[@XYZ-bs8xv]

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

[@rekharana8167]

4:47 Rolling Friction

[@hammadyasin]

thankyou very much byjus!

[@atrijbal]

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

[@Chitra1693]

wheel is pushing the ground backwards, that's why the wheel is moving foreword.
I know the person who has asked the question is now in class 9 but this answer is for those who don't know

[@S41288]

Thanks sir for this wonderfull explanation❤😊

[@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?

[@DevilSameerGaming8757]

Thanks sir for this lecture 🎉🎉❤❤

[@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.

[@nireekshakamath1635]

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

[@harshdeepsinghshorts205]

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

[@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

[@UjwalShanny]

Thanks a lot byjuse teachers🎉🎉🎉🎉🎉🎉🎉🎉

[@bhawanasammal3756]

Thanks a lot

[@byjus-class-678]

Most welcome Bhawana🤩

[@adiagarwal8399]

39:10 ghumna hota hai😂😂😂😂😂

[@sivaranigade5027]

thank you so much sir

[@byjus-class-678]

Most welcome Siva😍 stay tuned for more such amazing sessions!

[@galaxygamer1408]

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

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[@viral_shorts8720]

thank you, sir, for this great session!

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play free fire

[@nikitabhushan5625]

best teacher for physics in byju

[@rafeenaraneef4781]

Best class❤😊

[@user-yf8bg4fl1s]

Sir ur teaching is really amazing

[@MahiChoudhary-mj2ui]

Qu

[@user-dp3db6ho2e]

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

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Your poem is clear ,

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👌👌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!

[@SaranyaSaranya-dl6hq]

😂😂

[@atharvkushawaha1257]

Sir , there is Static friction at you explning friction

[@sumangiri5765]

Very nice sir

[@byjus-class-678]

Thanks Suman🤩

[@mehulsingh9835]

True

[@Samarthkn811]

Sir you are the best teacher

[@poorvapandey2506]

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

[@sethetic-_-mandu]

Weight how heavy the object is

[@supriyashetty5609]

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

[@diyaslifestyle7058]

hatt

[@amlanjyotijena7133]

But why 🤔🧐🧐

[@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 ❤️❤️❤️🥰🥰

[@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!

[@anushmitadass]

my doubts are clear after watching your video

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So, you can join in byjus learn

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True
😊

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

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Best physics teacher in byjus

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

[@Devanath-ws2vi]

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

[@user-sw5nt1oc8c]

Great explanation

[@indian123.......]

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

[@bgsongs1077]

true

[@itsgaurav7837]

Sir pls give me notes of this chapter

[@rongalavenkataramanamma174]

Rolling friction

[@VaibhavShukla-8283]

Nice!

[@HimanshiSadhu9294]

18:31
Because it has smooth surface

[@krishmithil1122]

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

[@neema12345]

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

[@guriyayYadav-ef9fc]

There are no many shourabh sir

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Here is only shourabh sir😂

[@neema12345]

It's used for respect

[@neema12345]

Try to obey people

[@guriyayYadav-ef9fc]

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

[@SHAMBHUNATHDHALI]

Thank you sir very good class sir . Thank you sir

[@user-fg7tk7di2d]

Sir more than teaching you are answering those children 😢

[@user-fg7tk7di2d]

Sir actually your teaching is excellent

[@Mahiprajapati618]

What is ball bearing ??

[@rishabh4931]

Thanks sir

[@byjus-class-678]

Most Welcome Rishabh🤩

[@aravindkanish8782]

Super session

[@chinmayeesahu9922]

Thank you sir 😊

[@onesidegameing6304]

Hii sir

[@jyotishette7650]

friction causes heat and air pressure

[@chiragmasih6345]

Byjus teachers are best

[@Devilgirl...893]

Bro magnet brains is also best 💪

[@_lyrical_wibes]

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

[@nishitarathi5870]

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

[@abhay_aayushis_world7947]

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

[@aarudraavasarala6157]

True sir

[@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.

[@KavitaYadav-rk2vz]

Sir I want notes of 8 and 9 chapter please

[@gangadharhk5938]

Sir you are greateeeeee sir❤

[@nileshpatil9281]

Love you sir

[@shakshamkumararya3615]

15:35 you can do it well

[@adilakshmiadithyanmremesh799]

Awesome session Saurabh sir.. ❤

[@riyazahmad-wx1wl]

Thanks

[@byjus-class-678]

Welcome Riyaz🙌

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BYJU'S is best ❤❤

[@_lyrical_wibes]

Hi

[@user-md9kr4yf7y]

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

[@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

[@rajnijangir2524]

Please tell the exact definition of friction

[@peaceinarabic]

8:42 static friction?

[@abhinavpatel9408]

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

[@Kritika-hd2eo]

There is 🎉🎉🎉❤🎉🎉🎉 this much interest

[@Sketch_Artist645]

Hai sir

[@mdhassan.5197]

Masallah
Your teaching skills wher continue inspired myself ❤💞🤗

[@Islamic__thought79]

Yes you letter right md hassan ❤

[@raushanali5182]

@@Islamic__thought79 👍

[@gunntaneja]

Fluid friction definition

[@Piyush_singh99]

Force exerted by liquid..

[@NeelamDevi-wu1kv]

👍

[@gauravwani9428]

13:14

[@crazyfunny123]

Sir pls send your telegram link

[@DivyanshSingla-bt6ox]

Sir can I get pdf notes of reaching the age of adolescent and reproduction in animals please

[@Shubham-xr7up]

Sir both are true 6:23

[@mohanlalnain427]

❤❤

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Sir aap bhout accha padha te ho

[@priyankaraitkar9135]

😮😮

[@amarv3182]

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

[@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!

[@Ridhaan1234]

15:49 mass

[@S41288]

Sir mujhe science sibject mai difficulty aati hai .......maii kyaa karu😊😢