CAPE Physics Unit 1 · 2008 (T&T) · Paper 1 · Question Q4

A bob is attached to a string and whirled in a vertical circle at a rate of 2\text{ rad s}^{-1}. The mass of the bob is 0.5\text{ kg} and the distance from the top of the circle to the bottom is 4\text{ m}. What is the MAXIMUM tension in the string?

1. (A)4.0\text{ N}
2. (B)4.9\text{ N}
3. (C)5.9\text{ N}
4. (D)8.9\text{ N}