Two ice skaters at rest push off each other. Afterwards their total momentum is:

  1. equal to the heavier one's momentum
  2. doubled
  3. equal to the sum of their speeds
  4. zero
Answer

D) zero

Momentum before = 0, so momentum after = 0. SLO P-11-B-11 · Application

Physics MCQ · More Momentum and Collisions MCQs · Practise