Pressure is a measure of which type of intensity?

Pressure is a measure of which type of intensity?

• A. force
• B. energy
• C. temperature
• D. velocity

Answer: (A)

Pressure measures how intense a force is when it acts on a surface, defined as force per unit area. If you push with the same force on a small area, the pressure is higher; spread the same force over a larger area and the pressure drops. Energy, temperature, and velocity describe other ideas (work, thermal state, and speed) and don’t define pressure by themselves, even though temperature can affect gas pressure indirectly through particle motion. In pneumatics, pressure tells you how much pushing force the air can exert on a piston, with the actual force being the pressure times the piston area (F = P × A).

Pressure measures how intense a force is when it acts on a surface, defined as force per unit area. If you push with the same force on a small area, the pressure is higher; spread the same force over a larger area and the pressure drops. Energy, temperature, and velocity describe other ideas (work, thermal state, and speed) and don’t define pressure by themselves, even though temperature can affect gas pressure indirectly through particle motion. In pneumatics, pressure tells you how much pushing force the air can exert on a piston, with the actual force being the pressure times the piston area (F = P × A).