In a karate chop the hand exerts an average force of 50 N for 0.2 s. The impulse given is:

  1. 100 N s
  2. 1 N s
  3. 20 N s
  4. 10 N s
Answer

D) 10 N s

Impulse = FDelta t = 50 0.2 = 10 N s = change in momentum. SLO P-11-B-11 · Application

Physics MCQ · More Momentum and Collisions MCQs · Practise