Question

why is the rolling friction smaller than the sliding ffiction whosoever answering answer in detail . class 8​

Answer 1

Answer:

Explanation:

when we slide the micro-irregularities clashes with each other so there is alot more friction but when the rollers are applied the roller rolls with the help of friction. thus the friction in sliding is a lot more than rolling

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Answer 2

Answer:

surface area

Explanation:

surface area plays important role.

more surface area in contact more is friction

in case of rolling , lesser surface area comes in contact so its value is smaller as comparsion to sliding

when smthng slides over other.... enough surface area come in contact , which is much greater than rolling