Top 10 NCERT Questions of Friction Class 8 Science (Exercise + Exemplar) | BYJU'S - Class 8

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Mid-term examinations are fast approaching. Join this class to revise all the important concepts in your class 8 Science chapter 12, Friction.
In this online class, your BYJU’S educator, Saurabh Sir, discusses the top 10 NCERT questions and answers on Friction. These questions are picked up from your NCERT exercises and exemplar textbook.
Some of the topics covered through these top 10 questions are as follows:
- Factors affecting friction
- Static friction
- Sliding friction
- Rolling friction
- Fluid friction
- Effects of friction
- Increasing and decreasing friction
Friction opposes the relative motion between two surfaces in contact. It also depends on the nature of surfaces in contact. Static friction comes into play when we try to move an object at rest while sliding friction comes into play when an object is sliding over another. Join this class to learn more about friction.
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[@yashika-xe1wl]

sir is very good in making sound of object 😂 😂

[@user-lk1hh5ud5y]

Because the frictional forces is acting opposite to the movement of book so it act upward

[@harmenderphalswal0720]

Sir I love your teach ended you are best teacher for me all ways

[@snagendra7663]

Great session !! Thanks sir for most 10 important question on Friction

[@byjus-class-678]

Always welcome Nagendra😍 Keep watching!

[@radhikasinghgautam3776]

Get well soon KRITI MAM🤗🤗🤗🤗🤗🤗

[@mathewjohn8126]

Thanks Sir😊

[@xpert9345]

thank you sir

[@challangergirl6570]

Understood able session

[@deeptisingh6078]

because the surface become smooth and be slippery because friction decreases

[@Jyoti12330]

Because when the object is sliding it can't time to interlock

[@nityabhat8260]

:) ❤

[@harmenderphalswal0720]

😊😊

[@jyotishette7650]

option c is correct ans for question 1

[@haleemaashraf6780]

Video starts at 5:50.. thanks me later

[@user-lk1hh5ud5y]

Seema

[@garimasingh4439]

1-c

[@hemas3231]

D

[@user-lk1hh5ud5y]

1 (c)

[@shivanipandey4206]

C hai

[@mohammadfarhan3943]

Sir I passed my exam by listening to your video thank you

[@user-lk1hh5ud5y]

Because the frictional forces is acting opposite to the movement of book so it act upward

[@Jyoti12330]

Seema

[@user-lk1hh5ud5y]

Because the frictional forces is acting opposite to the movement of book so it act upward

[@Jyoti12330]

Seema