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Application of Projectile to a Height

The potential...

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

A

A

and

D

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B

C

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C

B

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D

B

and

C

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Solution

The correct option is D $B$ and $C$
$F = - \frac{d U}{d r}$

It is clear that slope of $U - x$ curve is zero at points $B$ and $C$ .

$F = 0$ for point $B$ and $C$
Final answer : (c)

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Application of Projectile to a Height

Standard XII Physics

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