A smooth circular groove has a smooth vertical wall as shown in figure. A block of mass m moves agai

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4-1.Newton's Laws of Motion

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A smooth circular groove has a smooth vertical wall as shown in figure. A block of mass $m$ moves against the wall with a speed $v$. Which of the following curve represents the correct relation between the normal reaction on the block by the wall $( N )$ and speed of the block $(v)$ ?

A

B

C

D

(JEE MAIN-2022)

Solution

$N=\frac{m v^{2}}{r}$
Curve is parabola
$Y = kx ^{2}$

Standard 11

Physics

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