Calculate the maximum acceleration (in $m s ^{-2}$) of a moving car so that a body lying on the floor of the car remains stationary. The coefficient of static friction between the body and the floor is $0.15$ $\left( g =10 m s ^{-2}\right)$.
NEET 2023, Easy
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$F _{ s }= ma$
$f _{ L }= ma a _{\max }$
$\mu mg = ma _{\max }$
$a _{\text {max }}=\mu g$
$=0.15(10)$
$=1.5\,m / s ^2$
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