1. | \(7.5~\text m\) | 2. | \(10~\text m\) |
3. | \(2.5~\text m\) | 4. | \(5~\text m\) |
1. | \(W_1=W_2=W_3\) | 2. | \(W_1>W_2>W_3\) |
3. | \(W_1>W_3>W_2\) | 4. | \(W_1<W_2<W_3\) |
A mass \(m\) is attached to a thin wire and whirled in a vertical circle. The wire is most likely to break when:
1. | \(60^{\circ}\) from vertical. | inclined at an angle of
2. | the mass is at the highest point. |
3. | the wire is horizontal. |
4. | the mass is at the lowest point. |