A block of mass 200, g is kept stationary on a smooth inclined plane by applying a minimum horizonta

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4-1.Newton's Laws of Motion

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A block of mass $200\, g$ is kept stationary on a smooth inclined plane by applying a minimum horizontal force $F =\sqrt{ x }N$ as shown in figure. The value of $x =.....$

A$12$

B$82$

C$128$

D$19$

(JEE MAIN-2022)

Solution

$mg =2 N$
$\sqrt{ x } \frac{1}{2}=\frac{2 \sqrt{3}}{2}$
$x =12$

Standard 11

Physics

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