Physics-
General
Easy

Question

The potential energy of a particle varies with distance x as shown in the graph.
The force acting on the particle is zero at

  1. C    
  2. B    
  3. B and C    
  4. A and D    

The correct answer is: B and C


    F equals fraction numerator negative d U over denominator d x end fraction it is clear that slope of U minus x curve is zero at point B and C
    therefore F equals 0 for point B and C

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