All that matters is the constant velocity!

Classical Mechanics Level 5

There is a thin string of linear mass density \(\rho\), which is going around a pulley of radius \(R\), with constant velocity \(v\).

Determine the internal tension in the string.

Details and Assumptions

  • There is no net force acting on the pulley-string system.

  • Neglect gravity.

  • Take \(\rho = 0.25 \text{ kgm}^{-1}, R = 0.25 \text{ m}, v = \sqrt{13} \text{ ms}^{-1}\).

This is an original question.

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