A cylindrical body having mass M and radius R rolls down an inclined plane without…

Physics · NEET · NTA ExamsRotational motion

A cylindrical body having mass M and radius R rolls down an inclined plane without slipping. If K be the radius of gyration of the cylinder, then the fraction of total kinetic energy associated with its rotation will be
  1. \(\frac{K^{2}}{R^{2}}\)
  2. \(\frac{K^{2}}{R^{2}+K^{2}}\)
  3. \(R^{2}+K^{2}\)
  4. \(\frac{R^{2}}{R^{2}+K^{2}}\)

Answer

(B) K^ 2 R^ 2 +K^ 2

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