Joule's paddle-wheel experiment showed that:

  1. mechanical work can raise internal energy just as heating can
  2. temperature is energy
  3. work cannot be converted to heat
  4. heat is a fluid
Answer

A) mechanical work can raise internal energy just as heating can

Mechanical equivalent of heat. SLO P-11-C-11 · Application

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