Question:
Pressure is a scalar quantity because
(a) it is the ratio of force to the area and both force and area are vectors
(b) it is the ratio of the magnitude of the force to area
(c) it is the ratio of a component of the force normal to the area
(d) it does not depend on the size of the area chosen
Solution:
The correct answer is
(b) it is the ratio of the magnitude of the force to area
(c) it is the ratio of a component of the force normal to the area
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