why is it is sometimes necessary to increase or decrease the amount of friction?
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4
Answer:
In many situations friction needs to be increased. 1) By making the moving surfaces rough : Tyres of vehicles have designed with grooves on the surface to increase friction. A large friction provides a better grip to vehicles on the road and prevents them from skidding
Answered by
3
Explanation:
In many situations friction needs to be increased. 1) By making the moving surfaces rough : Tyres of vehicles have designed with grooves on the surface to increase friction. A large friction provides a better grip to vehicles on the road and prevents them from skidding.
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