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Q. A block of $10\, kg$ mass is placed on a rough inclined surface as shown in figure. The acceleration of the block will bePhysics Question Image

Laws of Motion

Solution:

$F_{L}=\mu_{s} m g \cos \theta$
$=(1)(100) \frac{\sqrt{3}}{2}=50 \sqrt{3} $
Gravitational force $=m g \sin \theta=50\, N$
$f_{L} > m g \sin \theta$
$\Rightarrow $ block will not move