U(x) − − x curve of one-dimensional conservative force is shown. Three points A, B and C are marked on the curve. The correct pairing of the points with the type of equilibrium they show on the curve is:
Text Solution
Verified by ExpertsThe correct answer is:
B
At A, 
≠ ≠ 0 hence F ≠ ≠ 0 thus showing no equilibrium. At B, if particle is displaced along positive direction, slope 
become negative and F 
becomes positive indicating unstable equilibrium. At C, conditions are reverse that of at B i.e., unstable equilibrium.
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