Rotational Motion Question 143
Question: A pulley fixed to the ceiling carries a string with blocks of mass m and 3 m attached to its ends. The masses of string and pulley are negligible. When the system is released, its centre of mass moves with what acceleration?
Options:
A) 0
B)
C)
D)
Show Answer
Answer:
Correct Answer: C
Solution:
[c] When the system is released, heavier mass move downward and the lighter one upward.
Thus, centre of mass will move towards the heavier mass with acceleration
