9. The uniform thin rod OA can rotate around a horizontallyfixed smooth axis perpendicular to the rod through its end o,

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9 The Uniform Thin Rod Oa Can Rotate Around A Horizontallyfixed Smooth Axis Perpendicular To The Rod Through Its End O 1 (45.11 KiB) Viewed 16 times

9. The uniform thin rod OA can rotate around a horizontallyfixed smooth axis perpendicular to the rod through its end o, as shown in thefigure. The bar is now free to fall from rest in a horizontal position. Whichof the following statements is true when the bar swings to a vertical position? Multiple-Choice (10 Points) O A. Angular velocity changes from small to large but angularacceleration changes from large to small. O B. Angular velocity changes from large to small, but angularacceleration changes from small to large. O C. Angular velocity changes from large to small, and angularacceleration also changes from large to small. D. Angular velocity changes from small to large, and angularacceleration also changes from small to large.