| A rigid massless rod of length 3l has two masses attached at each end as shown in the figure. The rod is pivoted at point P on the horizontal axis (see figure). When released from initial horizontal position, its instantaneous angular acceleration will be- [JEE Main 10-Jan-2019 Evening] |
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A) \[\frac{g}{13l}\]
B) \[\frac{g}{2l}\]
C) \[\frac{g}{3l}\]
D) \[\frac{7g}{3l}\]
Correct Answer: A
Solution :
| [a] |
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