Rotational Motion Question 161
Question: A rod PQ of mass M and length L is hinged at end R The rod is kept horizontal by a massless string tied to point Q . When string is cut, the initial angular acceleration of the rod is
Options:
A) g/L
B) 2g/L
C) $\frac{2g}{3L}$
D) $\frac{3g}{2L}$
Show Answer
Answer:
Correct Answer: D
Solution:
[d] angular acceleration
$\alpha =\frac{3g}{2L}$
