Physics-
General
Easy

Question

In the given figure F = 10 N, R = 1 m, mass of the body is 2 kg and moment of inertia of the body about an axis passing through O and perpendicular to plane of body 4kg-m2 O is the centre of mass of the body.

If the ground is smooth what is total kinetic energy of the body after 2 seconds

  1. 100 J    
  2. 75 J    
  3. 50 J    
  4. 25 J    

The correct answer is: 100 J

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