Скачать или смотреть Friction//ঘৰ্ষণ//Class8//science//chapter-12//NCERT

It is the explaination of the 12 th chapter of class 8 science.i.e .Friction.Here we have discussed what is friction,where it caused,types of friction,it's advantages and disadvantages.
Static friction,
sliding friction ,
rolling friction.
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