A force of 20 N accelerates a 4 kg body from rest over 10 m (no friction). Its final kinetic energy is:

  1. 200 J
  2. 80 J
  3. 50 J
  4. 800 J
Answer

A) 200 J

Work done = Fd = 200 J = gain in KE. SLO P-11-B-29 · Application

Physics MCQ · More Work and Energy MCQs · Practise