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PhysicsNEET 2019Circular motion dynamics, banking of roads

Laws of Motion

A block of mass 10 kg is in contact against the inner wall of a hollow cylindrical drum of radius 1 m. The coefficient of friction between the block and the inner wall of the cylinder is 0.1. The minimum angular velocity needed for the cylinder, rotating about its vertical axis, to keep the block stationary is: ()

  1. A. rad/s
  2. B. rad/s
  3. C.10 rad/s✓
  4. D. rad/s

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