Q. Ball bearings are used to

बॉल बेयरिंग का उपयोग किया जाता है

A
Increase friction
घर्षण बढ़ाएँ
B
Reduce rolling friction
रोलिंग घर्षण कम करें
C
Increase weight
वजन बढ़ाना
D
Stop rotation
घूमना बंद करो

Explanation

Ball bearings reduce friction by replacing sliding friction with rolling friction, which is much smaller. This allows smooth and efficient rotation of parts like wheels or machine components.

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