B: This is the definition of pressure.
A: Heat is not a force. It's energy.
C: This is temperature.
Which of the following best defines pressure?
A) It is the total amount of heat per unit area held by a substance.
B) It is the force applied to a unit area of surface.
C) It is the average kinetic energy of molecules.
D) It is equal to volume divided by the product of moles and temperature.
*The Answer is B but can someone explain why each one is wrong and why B is right. Only D seems to make sense to me.