MEDIUM
8th CBSE
IMPORTANT
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Ball bearings are used to _____.
(a)increase friction
(b)increase sound
(c)decrease friction
(d)decrease weight

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Important Questions on Friction
MEDIUM
8th CBSE
IMPORTANT

MEDIUM
8th CBSE
IMPORTANT

MEDIUM
8th CBSE
IMPORTANT

MEDIUM
8th CBSE
IMPORTANT

MEDIUM
8th CBSE
IMPORTANT

MEDIUM
8th CBSE
IMPORTANT

MEDIUM
8th CBSE
IMPORTANT

MEDIUM
8th CBSE
IMPORTANT
