Uniform circular motion question

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SUMMARY

The discussion focuses on a physics problem involving a ball of mass m attached to two strings, rotating at a constant angular velocity ω around a vertical rod. To solve for the forces exerted by each string on the ball, participants suggest applying Newton's second law in both horizontal and vertical directions. Additionally, the minimum angular velocity (ωmin) required for the lower string to remain taut is a key point of analysis.

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meowers
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A ball of mass m is attached by two strings to a vertical rod. as shown above. The entire system rotates at constant angular velocity about the axis of the rod.
a)Assuming ω is large enough to keep both strings taut, find the force each string exerts on the ball in terms of ω, m, g, R, and .
b)Find the minimum angular velocity, ωmin for which the lower string barely remains taut.

I have absolutely no idea where to start with this problem.
 
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hi meowers! welcome to pf! :wink:

apply good ol' Newton's second law twice, in the horizontal and vertical directions, to find the relationship between a g T1 and T2 …

what do you get? :smile:​
[
 

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