Saved Bookmarks
| 1. |
A ring of diameter 1m is rotating with an angular momentum of 10 Joule-sec. The necessary tangential force required to increase its angular momentum by 50 % in 1 sec will be (in newtons)A. 10B. 5C. 15D. 20 |
|
Answer» Correct Answer - A `tau = (dL)/(dt) rArr F. r = (dL)/(dt) rArr F = 10` |
|