Fluids include
a and b
b and c
a and c
All the above
A fluid is a substance that has no fixed shape and yields easily to external pressure; a gas or a liquid, or, which can easily flow.
What is the difference between the pressure on the water surface and that on the bottom?
$\rho gh$
$\frac{\rho g}{h}$
Zero
Infinity
The pressure at the bottom of the water surface is