APFIVE Scalar Nature of Fluid Pressure
A fluid exerts a force of 50 N perpendicular to a surface with area 0.25 m². If the direction of the surface is rotated by 30° while maintaining the same area, how does the pressure change?
A
The pressure decreases by a factor of cos(30°)
B
The pressure remains the same
C
The pressure increases by a factor of 1/cos(30°)
D
The pressure becomes a vector with components in two directions
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