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JEE Main 2026 (21 Jan, Shift 1) · Potential Energy & Equilibrium

Potential Energy & Equilibrium question from JEE Main 2026 (21 Jan, Shift 1)

Q2JEE Main 2026 · 21 JAN · SHIFT 1Medium

Potential Energy & Equilibrium

Potential energy ( $V$ ) versus distance ( $x$ ) is given by the graph. Rank various regions as per the magnitudes of the force ( $F$ ) acting on a particle from high to low.

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Answer: (a)

$|F| = \left|\frac{dV}{dx}\right|$ = slope of the graph.
$AB: \frac{1}{1} = 1$ , $BC: \frac{3}{1} = 3$ , $CD: 0$ , $DE: \frac{1}{2} = 0.5$
$F_{BC} > F_{AB} > F_{DE} > F_{CD}$
So the answer is (a).

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