A solid disc and a ring of the same mass and radius receive the same torque. The disc's angular acceleration is:

  1. equal to the ring's
  2. four times the ring's
  3. twice the ring's
  4. half the ring's
Answer

C) twice the ring's

Idisc = 12MR^2 = 12Iring, and alpha = tau/I. SLO P-11-B-19 · Application

Physics MCQ · More Circular and Rotational Motion MCQs · Practise