Force and Pressure | Class 8 Science Chapter 11 | Class 8 Science
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Topics covered in this video -
✔️ Force and Pressure
✔️ Class 8 Science Chapter 11
✔️ force and pressure class 8
✔️ Force and Pressure Full Chapter Class 8 Science | NCERT Science Class 8 Chapter 11
✔️ Force and Pressure in One Shot | Physics - Class 8th | Umang
✔️ Force and Pressure | Class 8 Science Sprint for Final Exams | Class 8 Science Chapter 11
✔️ what is Force and Pressure
✔️ Force and Pressure class 8 in hindi
✔️ Force and Pressure class 8 question answer
✔️ Force and Pressure animated
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27:30 Frictional force is referred to as a contact force because it arises due to the contact between two surfaces in contact with each other. When two surfaces are in contact and one surface tries to move or slide over the other, the resistance to the motion is provided by the frictional force. The frictional force acts in a direction opposite to the direction of motion or the impending motion. It is called a contact force because it occurs only when there is physical contact between the two surfaces.
Achchi khasi zindagi ko toh newton ne kharab kar rakhkha h
😂
Mai time machine ka invention kar ke new ton ke sar mai jo apple gir tha uss apple kai tree ko hi katwa dunga
Albert scientist 🤣👍 good luck har mat manna
SHAI BAT HAI BHAI
Mere
Hamare yaha use फुगड़ी kehte hai (in Marathi language) ☺️👍
same
Always same
❤❤
Friction is a type of contact force. Contact forces are those forces which necessarily require a physical contact. Friction cannot act between two surfaces if they are not touching each other.
Friction is caused due to the contact of two or more objects involved , so it is called contact force . Friction comes into play when two or more objs are in contact😊
yes
Yes
6:57
But it can also be when only 1 object is moving.
Yes 😊❤
Obviously sir Jo chij jyada heavy usko force me karne ke liye bohut taakat chahiye aur Jo chij Kam heavy to usko force me karne ke liye jyada taakat ki zarurat nahi hai
Happy Teacher's day sir you are the best 🎉🎉🎉🎉🎉🎉🎉🎉🎉❤❤❤❤❤❤❤❤😊😊😊😊😊😊😊😊😊😊😊😊
Thanks a lot
Thank you bhiya (sir) for making videos for us 😊, keep it up.❤
Friction force is a contact force because when a object move on land or in the atmosphere it need a pressure to move when the object apply a pressure to move the force in the atmosphere and land appose it this is done by contact of the object and the force that is present in the place where the object moving
27:31 sir Friction cannot act between two surfaces if they are not touching each other,
Sir frictional force is contact force as beacse any thing stops by fristion when it is with contact with earths surface or anything else like if you kick a ball it touch the surfane of ground and gradually stop thus friction is contact force
4:11 in are traditional it means fugdi this is fugdi game is very important in our tradition in any festival we play this game.😊😊😊😊
Frictional force is contact force because it occurs between two objects
nothing would hold it and chances are that its inner core would eventually burst in a lethal titanic explosion due to intense pressure. Earth would break into pieces that would float around space, wreaking
Because when two object in contact and one object is in motion the friction force occurs opposite
For example a book push the frictional force is come in between the book and the table there is contact with each other ,thus we can say that friction force is contact force
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Jai shree ram
@@HassanAli-hp6gx AAGAR SAMNE MIL GAYA TO MUN TOD DUNGA.GHAR WALE PECHNE SE MANA KAR DENGE.
The force acting along the two surfaces in contact that opposes the motion of one object over the other are called force Of friction.
SI unit of pressure is pascal (PA)or N/m²😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤
You are right didi
21:41 ans kyuki agar area zyaada hoga to pressure kam lagega aur agar area kam hoga to pressure zyada lagega . For example knife
We consider frictional force as a contact force because when friction force is applied on the opposite direction so friction force occurs when air and the object comes in contact. Hence,it is called as contact force
Yes❤
Correct 💯
Correct 💯😂😊❤
Sir your teaching is very well
It helps me very much
Thank you👍👍👍👍👍
16:35 Yes sir, i have played tug of war and we have to use the hand muscles to play it
Sir, because stapler has more surface comparable to compass that's why 😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤😊❤
newton ne to jee liya per heme nahi jeene de reh hee😢😢
😂😂 write
Frictional force is also known as contact force because frictional force occers when air and the object come in contact
Surface between object
Pucha kisine
21:40 mannu naughty ho rhe ho XD
Right 😮
Thank you so much sir,
Because tommorow is my half yearly exam and my force and pressure chapter will be done.
Because when we apply from opposite diretion in contact thats why
Because to do friction we have contact with any object that why it is frictional force is called contact force
Because the areof the palm is large and we know that if the are is large the pressure exert low and as compared to compass nail the area is smaller and we know that if the area is smaller the pressure exert is very high
Newton ke sir par nariyal kyu nahi gira😭
Explanation-as per the Newton law the motion and speed and the force applied by gravity is depend to kill a man😂
👍
newton be like : meri billi mujhko meow
Newton be like- gaddari karbe tori _____ ho tum 😂😂
27:29 A frictional force is said to be a contact force as two or more forces are in contact with each other.
ajj mera paper hai aur mai ratko 3:30 ko video dekh raha hu , thank you bro for your explaination video
🤣🤣🤣
Because frictional force bhi contact mai ake karta hai
Friction force said to be contact force because it involves contact in two or more objects.
27:27 We say frictional force a contact force because when frictional force happens it opposes the motion of thd moving direction and the force is done on the surface, which tells us that it is contacting with the ground.
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Hi
LOL😂😂
because the frictional force if the two object and two things are contact to form frictional force . for example when we walk on the road etc.. it means frictional force is present everywhere .. THANK YOU SIR 👍👍👍👍👍❤❤❤❤💯💯💯
I absolutely love your videos!! I always watch your videos before exams. Tysm!!✨✨
Thank you sir you explain very good ❤️👍🏻☺️
@chahal-jl8ug 🟦
frictional force is an contact force as it occurs between 2 objects
Right
So??
ans of the respective question.frictional force is a contact force because it is only a force which acts in between two bodies.
4:15 , l am marathi, so in marathi it is called fugdi
Frictional force is contect force because in friction force two objects are contect with each other
WHY FRICTIONAL FORCE IS ALOS CALLED CONTACT FORCE BECAUSED
ANS :- THE FRICTIONAL FORCE IS THE CONTAIN OF OCCERS WHEN AIR AND THE OBJECT COME IN SAME CONTACT
Force - force could be push or pull
7:14
Frictional forces are called contact forces because - they opposes the motion of a body and to oppose the motion a contact between them must be there. - they acts upon two surfaces .
🎉
Thank you so much, for uploading this chapter video , on Wednesday is my science exam and I was finding this chapter difficult.
i got amp high tiers
@@tanqr4568 m
Sir plz make video on ch 13 ,14 , 15 and 9,10
Frictional force occurs when two surface come in touch with each other
Newton ❌
Baccha ✅
vote
Frictional force is said to be a contact force because, it occurs between two surfaces when it is in contact that is why it is a contact force
Contact force are forces which act only when objects are in physical contact with each other and bring about changes.
they opposes the motion of a body and to oppose the motion a contact between them must be there
H.W:- Because it will exerts in contact with other object
Frictional force contact force isiliye he because wo two objects ke contact ke through hota h
For example:Man box ko push kar rha h write direction me
So isme Man or box do things Hui or frictional force left side me hoga.☺️*H.W*
Bhaiya apne sath stapler, bottle, remote, campus sab sath leke bedthe h
Sir ke pass Doraemon ki pocket h.🤣🤣🤣🤣😂😂😂😂😂😅😅😅😅
Sir but box me to force lagata smay to muscle ka bhi use hua to ye frictional force kyu h.
17:50
17:08
Because frictional force also between two or more object
20:40 ya baccha Newton hai khud to chla gya lakin hamari jindgi kharab kar kar chla gya 😢😢😢 agar Newton ka sir per apple ki जगह pura tree hi gir jata to Aaj physics kitni asan hoti 😂😂😂
Apki wazas se 7th me ache marks se pass ho gya😊😊
8th ke chapter me 7th me pass kaise
Garrix duggu is suggested kiska substitute Usha dutt
4:05 The both girls are pushing but it depends on Newton like the first girl applied 4Newton whereas the second girl applied 7 Newton
So Second girl will have more force than first one
Because friction make with irregularities of two body of intrect each other so it is contact force
Aap bohot aacha study karta ho muja Sara chapter samaj aa gaya thankyou bhaiya
the type of force in which one object oppose the motion as well as resist the motion of an object , this type of force is known as frictional force and frictional force is a contactable force because the surface of one object and the surface of another object come in a physical contact, hence frictional force is an example of contactable force.
0:46 😂😂😂😂😂😂😂😂
Please upload class 10th science ch 3
Friction force is caused by in the land one boy is push in right side land in left side
Assalamo alaikum aap ka bahut shukriya sir aap ne merè concept ko clear kar diya meri maam padhati hai to mujhe smjh me nhi ata h magar aap padhaye to smjh me aa gaya
Valekum asalam I am Indian
जय श्री राम🇮🇳
0:00😂😂😂😂
frictional ko ham contact force isliye bolte he because friction will only happen when two or more objects are in contact jab ham ek box push karte he aur friction hamare oppose force karti hai to ham box ke contact me he
2 bje exam h abhi kr ri hu Sara syllabus done but still marks achhe aajate hai 😂😂😂😂
Thankss😊
Ap Class 9 ka Gravitation chapter Jaldi se Samjaye Exam Pas Aaraha hai
23:6 maje se guse jate haa 😂😂
Ha
Frictional is a type of contact forces are those forces which necessarily require a physical change
We know that when two or more object come in contact is called contact force and friction force act on opposite side of the object
15:18 😁
4:23 in my loaclity we say it Ringa Runga Roses Uske aage nhi pta hehe 😂
Ni bhai ye alag game hai
14:51 sir did something funny
Nice explanation sir
Kash Newton ke upar 🍎 apple ki jgh tree hi gir jata sari jindagi kharab kar di hai 😆😆
Please tell me about “Serious Learner” pakage
Since frictional force arises when the surface of 2 object are in tough with each other
Because friction takes place when two objects go opposite of each other so it is a contact force
Because frictional force is always opposite and it is between two objects surfaces
12:30 😮
Ans: Because Friction Force Always Act When It Is In Contact With Any Other Object
Yes bhai
frictional force kya hata he sir
App bahot accha padhate hai mera sara concept clear ho gya thank you mannu ka gyan
Because this force are does their work when 2 or more objects are connected each other
Thank you sir your explanation is super, cool.
17;50 main sir agar a mam is standing at a middel then what will friction force will do
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🚩जयश्री राम🚩 4:58
Gravitation force me jo chitra hai wo bacha nahi newton hai😂😂😂😂
जय श्री राम 🚩🚩 जय श्री राम 🚩🚩🚩🚩
Thank you sir you are the rarest teacher ❤🎉