Laws Of Motion Question 363
Question: A box is lying on an inclined plane what is the coefficient of static friction if the box starts sliding when an angle of inclination is 60o [KCET 2000]
Options:
A) 1.173
B) 1.732
C) 2.732
D) 1.677
Show Answer
Answer:
Correct Answer: B
Solution:
$ \mu =\tan $ (Angle of repose)$ =\tan 60{}^\circ =1.732 $
