A man wants to slide down a rope. The breaking load for the rope is\[\frac{2}{3}\]rd of the weight of the man. With what minimum acceleration should fireman slide down?
A) \[g/4\]
B) \[g/3\]
C) \[2g/3\]
D) \[g/6\]
Correct Answer:
B
Solution :
Tension in rope TC (breaking load\[=\frac{2}{3}\]mg)\[m(g-a)<\frac{2}{3}mg\]