A hammer hitting a nail repeatedly makes the nail warm. The nail's internal energy:

  1. becomes zero
  2. increases due to work done on it
  3. decreases
  4. stays constant
Answer

B) increases due to work done on it

Work → internal energy. SLO P-11-C-12 · Understanding

Physics MCQ · More Kinetic Theory and First Law of Thermodynamics MCQs · Practise