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Classical Mechanics

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What Makes a Car Travel in a Circle?

CLMECH-0NCEAX

If an auto of mass $1,890\text { kg}$ drives in a level circle of radius $80.0 \text { m}$ at a speed of $120 \text { mi/hr}(176 \text { ft/s}) $, what force must the road be pushing on the car in toward the center of the circle?

Note: $(3.28\text { ft} = 1 \text { m})$

A

$68,000\text { N}$

B

$731,000\text { N}$

C

$340,000 \text { N}$

D

$36 \text { N}$