How could you increase the rolling friction between the car and track? How could you decrease it?

asked Jan 20, 2018 100k views

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3 votes

Applying brakes
Lubricating axle

Coat answered Jan 22, 2018

by Coat

8.8k points

6 votes

Once a wheel is rolling, several factors inhibit its motion.

LightGuard answered Jan 25, 2018

8.1k points

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