All Problems

The Fundamental Equation of Dynamics

Problem 1.92

A chain of mass \(m\) forming a circle of radius \(R\) is slipped on a smooth round cone with half-angle \(\theta .\) Find the tension of the chain if it rotates with a constant angular velocity \(\omega\) about a vertical axis coinciding with the symmetry axis of the cone.

Reveal Answer
T=(cotθ+ω2R/g)mg/2πT=\left(\cot \theta+\omega^{2} R / g\right) m g / 2 \pi