In a centrifuge, a particle moves outward relative to the tube because:

  1. gravity reverses
  2. a real outward force acts on it
  3. it gains mass
  4. the tube wall pushes on it only when it reaches the bottom; until then it continues tangentially
Answer

D) the tube wall pushes on it only when it reaches the bottom; until then it continues tangentially

Inertia, not an outward force. SLO P-11-B-21 · Application

Physics MCQ · More Circular and Rotational Motion MCQs · Practise