A 0.05 kg mass rotates at 30 rad/s on a radius of 0.1 m. The centripetal force is:

  1. 0.15 N
  2. 4.5 N
  3. 9 N
  4. 2.25 N
Answer

B) 4.5 N

F = mromega^2 = 0.05 0.1 30^2 = 4.5 N. SLO P-11-B-14 · Application

Physics MCQ · More Circular and Rotational Motion MCQs · Practise