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AP EAMCET202420 May 2024Evening ShiftPhysicsMotion in Two DimensionsActual

A block (P) is rotating in contact with the vertical wall of a rotor as shown in figures A , B , C . The relation between angular velocities _A, _B and _C so that block does not slide down. (R_A R_B R_C radii )

Options

  1. A_A _B _C
  2. B_A= _B= _C
  3. C_C _B _A
  4. D_C= _A+ _B

Correct answer

C. _C _B _A

Step-by-step solution

For the block P, aligned & N=m _A^2 R_A=m _B^2 R_B=m _C^2 R_C & R_A: R_B: R_C= 1 _A^2 : 1 _B^2 : 1 _C^2 aligned As, R_A R_B R_C 1 _A^2 1 _B^2 1 _C^2 W _ A W _ B W _ C

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