Centripetal Forces Video Lessons

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Problem: A 1500 kg car drives at 30 m/s around a flat circular track 300 \rm m in diameter. a. What are the magnitude and direction of the net force on the car?Since the net force is equivalent to the force of static friction, your answer to Part a is the magnitude. b. Based on this value, what is the minimum coefficient μs of static friction between the road and the car?

FREE Expert Solution

Centripetal force:

FC=mv2r

Frictional force:

fr=μmg

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Problem Details

A 1500 kg car drives at 30 m/s around a flat circular track 300 \rm m in diameter. 

a. What are the magnitude and direction of the net force on the car?
Since the net force is equivalent to the force of static friction, your answer to Part a is the magnitude. 

b. Based on this value, what is the minimum coefficient μs of static friction between the road and the car?

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