A rotating rigid body has a = ft, where f > 0 is a constant. 0 1. f+3 If for this body, 0(0) = w(0) = 0, what is 0 (t) ? O 2 . - f +3 3. 3f O 4 . 2 f 12 5 . 0 6. ft2 O 7 . NIK f+3 8. f+2 O 9 . f+3Angelina jumps off a stool. As she is falling, the Earth's gravitational force on her is larger O 1. in magnitude than the gravitational force she This may happen in many cases, but not in is exerting on the earth. every case. O 2. True 3. This may happen in a few cases, but it is very rare. O 4. False O 5. None of these