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Q. 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 $x=$ ___Physics Question Image

JEE MainJEE Main 2022Laws of Motion

Solution:

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