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
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
Sir nice explanation thank you sir this English teaching is useful all over India but Hindi teaching is only meant for Northern parts only so try to explain in English sir thank you
Byju's teacher are best ❤😊 Because they are very hard working person 😊😊❤❤. Byju's is the besttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttțtttttttttttttttttttttttttttttttttttttttttttțtttttttt❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤
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.
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.
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
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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
U deserve more than 1 like ❤
@@aksharaarnav-le4oh thanks bro🤩😄
@@SHAZAIN.11 ur welcome 😊
@@aksharaarnav-le4oh Is your science paper will be on 25/9/2024
@@SHAZAIN.11 yeah? ig
4:15 class starts
Thanks 😂
Ok
onense opon thime therr was a boy
Thanks
Thx bro
5:55 true 👌
9:03 with different velocity
9:19 to increase or decrease smoothness comparison of the friction
4:47 Rolling Friction
anyone here in 2024
yes i am
hmm
Namaste 😅
Mee ❣️
💀
19:46 thanks for extra knowledge able
thankyou very much byjus!
Adhesion meaning- The tendency of different molecules to attract each other, causing materials and objects to stick together
thanks
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
thank you sir for this video 😊😊😊
Most welcome Bhavesh😊 Keep watching!!
Byjus teachers are best
Bro magnet brains is also best 💪
Phisics Wallah is more best than magnet brains and byjus......
@@Devilgirl...893 but it is too long
@@dillipatrika1603 ?? Kya..
Really! You all just made my day♥️♥️♥️
Thanks a lot for liking the session Shambhavi🤩 Keep watching!
Any one making notes 👇🏻
Sir why the friction was there in forward if the real wheel was moving forward?
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
Sir more than teaching you are answering those children 😢
Sir actually your teaching is excellent
True
it is a recoded live steam
It is their responsibility to answer them and it is also additional information for us
So please try to be happy
I can't understand how the friction of rear wheel is in forward🤔🤔🤔
Thank you sir, fell in love with your teaching style
😮
Thanks sir for this wonderfull explanation❤😊
Up down shaking byju's teachers rocking💯🔥
"Quantum stabilized atom mirror" is found to be the smoothest solid surface as flat, rigid, perfectly smooth
CBSE Class 8 | BYJU'S Champions Academic Series | BYJU'S Class 8 Maths
True
No, every teacher are. Best all channels
15:44 w = mg
Weight= mass × acc. due to gravity
18:31
Because it has smooth surface
33:52
Friction between road and bicycle
4:18 class started
Thanks a lot
Most welcome Bhawana🤩
but when both hand are moving together the friction acting on them is fluid friction
How
Thank you sir for clearing my doubt
Sir the friction exerted on rear wheel is apposite to motion not from the direction of motion
Sir .your answer is right. And Sorry for my reply. You teaches the best
🔝🔝🔝physics class ever I seen in the world 🌍
Sir both are true 6:23
Thank you byju's for your hard work 🎉❤😊
Thank you sir for this video 😊😊😊 it help me most 😊
Sir nice explanation thank you sir this English teaching is useful all over India but Hindi teaching is only meant for Northern parts only so try to explain in English sir thank you
Thank you sir for giving wonderful explanation.I got full marks in physics. thank you for good explanation and your best wishes forehead also ❤️❤️❤️🥰🥰
13:06 to increase decrease frition
39:10 ghumna hota hai😂😂😂😂😂
10:03 sir I have a doubt what about the mirror ?
Byju's teacher are best ❤😊 Because they are very hard working person 😊😊❤❤.
Byju's is the besttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttțtttttttttttttttttttttttttttttttttttttttttttțtttttttt❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤
15:05 more the weight more will be the friction😅
17:56 sir agar two 15 kg ke box ho to friction km hoga ya jyada
30:52 static
😊
Sir back wheel also move forward
15:49 mass
13:55 smoth surface less friction
true
According to me saurabh sir are best 👍👍👍💯💯💯💯😊😊😊😊❤❤❤
There are no many shourabh sir
Here is only shourabh sir😂
It's used for respect
Try to obey people
Don't tell me to "how to obey elders okay" I know better then you
Sir aap bhout accha padha te ho
Where do you discuss the live classes cause my exams are near and i want you to take live classes on UA-cam
My name is jyotirmay😂
Thanks a lot byjuse teachers🎉🎉🎉🎉🎉🎉🎉🎉
Name any object which have a '0' percent of friction
best teacher for physics in byju
Very nice sir
Thanks Suman🤩
Sir you are the best teacher
8:42 static friction?
Please eat something yellow in color and semi-solid in consistency.
Great explanation
Sir your best ❤u explain very well ❤❤😊
sir why old bags have 2 wheels and nowadays they have 4 wheels why and how it is helpful
Sir ur teaching is really amazing
Qu
👌👌We can easily understand the byju's class awesome class I love the class 👌👌
Glad to hear that Pasumarthi😍 stay tuned for more such amazing sessions!
😂😂
11:13 thanks sir I am yesha shah your subscriber....
5:56 False
Soo good ty soo much
Sir what is lubricant?
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.
my doubts are clear after watching your video
So, you can join in byjus learn
Sir can you give a proper definition for relative motion
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.
4:52 opposite direction
Nice!
Best physics teacher in byjus
True
😊
nice explanation
friction causes heat and air pressure
Thanks
Welcome Riyaz🙌
6:00 true
Class Start at 4:19
Sir but both the wheels are rotating in the same direction so how is friction different
Sir , how can i complte my syllabus in 2 -3month??? Sir please telll me ...
thank you so much sir
Most welcome Siva😍 stay tuned for more such amazing sessions!
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
👍👍A great session
Byjus is always best👍👍
Best way to study --Byju's
Keep it up 👍👍👍👍👍👍
Thanks a lot Ananya😍 Glad you shared your thoughts! Keep watching!
I understand quickly and easily by watching byjus videos😊👍
Weight how heavy the object is
class starts 4:20
Sir pls give me notes of this chapter
Sir you are greateeeeee sir❤
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
Masallah
Your teaching skills wher continue inspired myself ❤💞🤗
Yes you letter right md hassan ❤
@@Islamic__thought79 👍
15:35 you can do it well
Rolling friction
Force that acts between the surfaces when they are at rest❤ byju's teachers are best😂😂😂😂😅😅😅😅
Hii sir
4:20 / 52:37 class start
4:19 class start 😂😂😂
Heehee
Exam is near
nothing is clear
dont worry
when Byjus is here.
:)