If a ladder weighing $250\, N$ is placed against a smooth vertical wall having coefficient of friction between it and floor is $0.3$, then what is the maximum force of friction available at the point of contact between the ladder and the floor ....... $N$
If a ladder weighing $250\, N$ is placed against a smooth vertical wall having coefficient of friction between it and floor is $0.3$, then what is the maximum force of friction available at the point of contact between the ladder and the floor ....... $N$
$75$
$50$
$35 $
$25$
If a ladder weighing $250\, N$ is placed against a smooth vertical wall having coefficient of friction between it and floor is $0.3$, then what is the maximum force of friction available at the point of contact between the ladder and the floor ....... $N$
Reaction force on the floor in the vertical direction is $R=m g=250 N$
Friction force at contact Pant on the floor
$\mu R_{1}$ $=0.3 \times 250 N=75 N$
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