Question

How ball bearings and wheels reduce friction? Explain.​

Answer 1

Explanation:

They reduces friction by making the two surfaces (axle and wheel) to roll over each other. ... The ball bearing is fixed between the hub of wheel and axle. When the wheel revolves the balls of ball bearing roll and reduce friction. The use of ball bearing makes the wheel roll smoothly over the axle.

Answer 2

hey army

here is your answer

They reduces friction by making the two surfaces (axle and wheel) to roll over each other. ... The ball bearing is fixed between the hub of wheel and axle. When the wheel revolves the balls of ball bearing roll and reduce friction. The use of ball bearing makes the wheel roll smoothly over the axle

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