Physics · Mechanics and Friction

Ball bearings are widely used in bicycles, automobiles, and machinery in order to:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Increase sliding friction between axle parts.
2Eliminate gravitational pull completely.
3Increase friction between the tire and the road surface.
4Reduce friction by converting sliding friction into rolling friction between wheel axle surfaces.✓

Correct answer

Reduce friction by converting sliding friction into rolling friction between wheel axle surfaces.

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