Echnician a says that underinflation can increase the rolling resistance of a tire. technician b says that underinflation can cause hard steering and a 10 percent decrease in fuel economy. who is corre? a) technician a only b)techncian b onlyc)both a and b d)neither a nor b

c)both a and b

Explanation:

If the tires are under inflated the the rolling resistance increases due to more surface are of tire now touches the ground hence there is more friction.Since the rolling resistance increases the tire will face difficulty in turning hence the steering the tires will become more hard.Since rolling resistance is increased so the engine has to work more to run the car hence it will consume more fuel.

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