The force on a body moving along the x-axis varies with position as shown in the figure. The body is in stable equilibrium when:
At A
At B
At C
None of A, B and C
For a stable balance,
i.e. negative slope in the graph F and x
At point A,
is less than
,so slope
is positive.
At point B,
is
, So slope
is zero.
At point C,
is more than
. So slope
is negative
So, at point at C i.e the point of stable equilibrium.
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