Laws Of Motion Question 411
Question: A perfectly straight portion of a uniform rope has mass M and length L. At end A of the segment, the tension in the rope is and at end B it is . Neglect effect of gravity and no contact force acts on the rope in between points A and B. The tension in the rope at a distance L/5 from end A is
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: C
Solution:
The F.B.D. of section of rope between A and B having acceleration a towards left is
Applying Newton’s second law on section AB and section AC of rope we get
Solving