Two cars A and B of same model one having inflated tyres (i.e. proper air) and other have deflated tyres (that is less air in them) covers equal number of rotation in equal time respectively .
(a) Out the two which covers more linear distance.
(b) The speedometer of the two will show same reading or different. Give reason (Hint-Speedometer is calibrated with rotation of tyres)
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Answer:
less air tyres will go less linear distance
Explanation:
less air tyres contact area is more than proper air tyres
- rolling friction laws rolling friction is proportional to the area of contact
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