A torque of 4 N m acts on a wheel with I = 0.5 kg m^2. Its angular acceleration is:

  1. 16 rad/s^2
  2. 2 rad/s^2
  3. 8 rad/s^2
  4. 4 rad/s^2
Answer

C) 8 rad/s^2

tau = Ialpha Rightarrow alpha = 40.5 = 8 rad/s^2. SLO P-11-B-19 · Application

Physics MCQ · More Circular and Rotational Motion MCQs · Practise