Gas pressure is explained by kinetic theory as:

  1. heat flow
  2. the attraction between molecules
  3. the force per unit area from molecules colliding with the walls
  4. the weight of the gas
Answer

C) the force per unit area from molecules colliding with the walls

Rate of change of momentum at the walls. SLO P-11-C-05 · Understanding

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