Centripetal Forces Video Lessons

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Problem: The figure(figure 1) shows two balls of equal mass moving in vertical circles Is the tension in string A greater than less than, or equal to the tension in string B if the balls travel over the top of the circle with equal speed?a. The tension in string A is greater than the tension in string Bb. The tension in string A is less than the tension in string Bc. The tension in string A is equal to the tension in string B

FREE Expert Solution

Centripetal force:

F=mv2r

The tension in the string is equal to the centripetal force. 

v and m is equal for both.

Centripetal force is inversely proportional to the radius. 

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Problem Details

The figure(figure 1) shows two balls of equal mass moving in vertical circles 

Is the tension in string A greater than less than, or equal to the tension in string B if the balls travel over the top of the circle with equal speed?

a. The tension in string A is greater than the tension in string B

b. The tension in string A is less than the tension in string B

c. The tension in string A is equal to the tension in string B

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