- #1
chenying
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Homework Statement
A ball on the end of a string is cleverly revolved at a uniform rate in a vertical circle of radius 85.0 cm. If the speed of the ball is 3.25 m/s and its mass is 0.335 kg, calculate the tension in the string when the ball is at the
a) top of its path
Homework Equations
[tex]\Sigma[/tex]Fnet force = ma
Fcentripetal = v2/R
The Attempt at a Solution
OK, I have not made an attempt at this problem because my concept of this situation is a little unsure. I don't want any numbers or any calculations, I just want someone to explain to me this problem in just formulas. No numbers at all pleaseeeee