Physics-
General
Easy

Question

A sphere of radius 'R' is rolling over a horizontal surface. All measurement are made with respect to surface over which sphere is rolling. Which of the following strictly confirms pure rolling motion of sphere over horizontal surface ?

  1. xcm = R : xcm & R in meter & '' is in radian  
  2. vcm = R : R in meter, vcm in m/s, '' in rad/sec  
  3. acm = R : acm in cm/s2, R in cm,  in rad/s2  
  4. All of the above  

The correct answer is: All of the above


    Consider situation shown in figure

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