Question
Question: If a ladder weighing 250N is placed against a smooth vertical wall having coefficient of friction be...
If a ladder weighing 250N 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
A
75 N
B
50 N
C
35 N
D
25 N
Answer
75 N
Explanation
Solution
F=μR=0.3×250=756muN