Laws Of Motion Question 365
Question: If a ladderweighing 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 [AIIMS 2002]
Options:
A) 75 N
B) 50 N
C) 35 N
D) 25 N
Show Answer
Answer:
Correct Answer: A
Solution:
$ F=\mu R=0.3\times 250=75\ N $
