Discussion Forum : Aerodynamics
Question - Which of the following is a point property?
Options:
A .  Pressure
B .  Mass
C .  Density
D .  Pressure and density
Answer: Option D
BOTH PRESSURE AND DENSITY VARY FROM ONE POINT TO ANOTHER. PRESSURE AND DENSITY VARY WITH THE ALTITUDE AND ARE DIRECTLY PROPORTIONAL TO EACH OTHER. PRESSURE AND DENSITY DOES DEPEND ON A PATH AS THEY CHANGE FROM ONE POINT TO OTHER. IF ONE PARAMETER IS CHANGED, IT AFFECTS PRESSURE AND DENSITY.

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