Friction in One Shot Full Chapter Revision and Quiz | Class 8 CBSE | CHAMPS 2024 | BYJU'S

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9:08 box b because we know that friction depends on the nature of the surface as well as the weight of any object and here we can clearly see that box b has 15kg of weight and it is kept on a rough surface which is grass field, hence, more weight and more asperity leads to more friction to overcome those irregularities.

ArchanaMishra-ke
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41:19 a because if the surface is rough the friction will be more and heat will be more.

ArchanaMishra-ke
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LEGENDS watching this video before one day of exam will like

dakshdaksh-uyqy
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Explain what happened to rolling friction when the radius of wheel increases ?

seriallover
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Sir, is there no friction when object is at rest ?
But when object is rest there is interlocking b/ w surfaces, so, there is friction

sonakshisingh
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14:26 but according to my learning it should be d.

ArchanaMishra-ke
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sir please share the new timetable to us

SanjaykumarYadav-xhmn