During the course of a turn, an automobile doubles its speed. How much additional frictional force must the tires provide if the car safely makes around the curve?

An increase in velocity by a factor of two must be accompanied by an increase in centripetal force by a factor of eight.

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An increase in velocity by a factor of two must be accompanied by an decrease in centripetal force by a factor of half.

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An increase in velocity by a factor of two must be accompanied by an increase in centripetal force by a factor of four.

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An increase in velocity by a factor of two must be accompanied by an increase in centripetal force by a factor of half

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Solution

The correct option is C An increase in velocity by a factor of two must be accompanied by an increase in centripetal force by a factor of four.
Since F _c varies with v ² , an increase in velocity by a factor of two must be accompanied by an increase in centripetal force by a factor of four.

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During the course of a turn, an automobile doubles its speed. How much additional frictional force must the tires provide if the car safely makes around the curve?

The correct option is C An increase in velocity by a factor of two must be accompanied by an increase in centripetal force by a factor of four.Since F c varies with v 2 , an increase in velocity by a factor of two must be accompanied by an increase in centripetal force by a factor of four.

The correct option is C An increase in velocity by a factor of two must be accompanied by an increase in centripetal force by a factor of four.
Since F _c varies with v ² , an increase in velocity by a factor of two must be accompanied by an increase in centripetal force by a factor of four.