Rubbing your hands raises their temperature because:

  1. work done against friction increases internal energy
  2. blood cools
  3. heat flows from the air
  4. the hands lose mass
Answer

A) work done against friction increases internal energy

Work → internal energy. SLO P-11-C-02 · Understanding

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