High School

A bicyclist of mass 112 kg rides in a circle at a speed of 8.9 m/s. If the radius of the circle is 15.5 m, what is the centripetal force on the bicyclist?

A. 291 N
B. 572 N
C. 655 N
D. 338 N

Answer :

Final answer:

The centripetal force on the bicyclist is 572 N (option b).

Explanation:

The centripetal force on the bicyclist can be calculated using the formula:



Fc = mv²/r

Where Fc is the centripetal force, m is the mass of the bicyclist, v is the velocity, and r is the radius of the circle.


Plugging in the given values:



We can calculate:



Fc = (112 kg)(8.9 m/s)² / 15.5 m



Fc = 572 N



Therefore, the centripetal force on the bicyclist is 572 N (option b).

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