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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[SHAZAIN.]

00:08 Friction opposes motion
06:29 Friction is the opposition to relative motion.
12:18 Friction is affected by irregularities and adhesive forces.
18:20 Wheels are considered one of the greatest inventions of mankind.
23:24 Static friction is the resistance experienced between objects when they are at rest.
28:52 Static friction is greater than sliding friction and rolling friction is the least.
35:19 Friction works in opposite directions for the rear and front wheels of a cycle.
41:11 Friction is a necessary evil in machines and everyday life.
46:40 Friction: force affecting relative motion
52:39 The output is between 3157.36 and 3159.44

[Yeshashah_]

9:03 with different velocity
9:19 to increase or decrease smoothness comparison of the friction

[singwithmee-fc]

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

[Education-network...]

Really! You all just made my day♥️♥️♥️

[ArchanaMishra-ke]

15:44 w = mg
Weight= mass × acc. due to gravity

[nireekshakamath]

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

[Loudchop]

33:52
Friction between road and bicycle

[Katherine]

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

[AdeebAttar]

Sir more than teaching you are answering those children 😢

[comedycuts..]

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

[S]

Thanks sir for this wonderfull explanation❤😊

[srujanaarutla]

Up down shaking byju's teachers rocking💯🔥

[jyotimaurya]

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

[Aqurius.Playzz_Official]

Thank you sir, fell in love with your teaching style

[naveenkaushikkanker]

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

[santoshmallik]

No, every teacher are. Best all channels

[Technologyandtelescope]

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

[Yourbrohere]

17:56 sir agar two 15 kg ke box ho to friction km hoga ya jyada