The potential energy of a particle in a force field is U = A/r2 - B/r wh...

The potential energy of a particle in a force field is U = A/r2 - B/r where A and B are positive constants and r is the distance of particle from the centre of the field. For stable equilibrium, the distance of the particle is (a) B/2A (b) 2A/B (c) A/B (d) B/A

AIPMT/NEET 2012 | W.P.E Q 1 |when the body is slightly displaced from its equilibrium position, it tries to attain the shown position again, such type of equilibrium is called stable equilibrium. Here potential energy in equilibrium position is minimum as compares to its neighbouring points i.e. under stable equilibrium, potential energy is minimum

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