When something is scalar, it means it has a magnitude, but not a direction. Volume is a scalar because there is no direction of volume.
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Volume is a scalar quantity because it only has magnitude and no direction associated with it. It is simply a measure of the amount of space occupied by an object and does not have a specific direction in which it acts.
Yes, pressure is a scalar quantity because it has magnitude but no specific direction. It only requires a numerical value to describe it completely.
Pressure is a scalar quantity because it has magnitude only, without any specific direction. It is defined as the force applied per unit area, and does not have a specific orientation associated with it.
volume and stress and area have no dimension
Volume is a physical quantity not a change. However CHANGE in volume is a physical change.
Density.