Pressure in Fluids

What is the SI unit of thrust?

• Newton
• Pascal
• Dyne
• Joule

What does pressure depend on?

• Shape of the surface
• Size of the surface
• Depth of the liquid
• Mass of the object

What is the CGS unit of pressure?

• Newton/cm²
• Dyne/cm²
• Pascal
• Joule

Pressure is defined as:

• Thrust per unit area
• Weight per unit volume
• Force per unit volume
• Weight per unit area

What factor affects pressure at a point in a liquid?

• Volume of liquid
• Area of liquid
• Depth of point
• Mass of liquid

Which of the following is true about pressure in a fluid?

• It is equal in all directions
• It depends on the shape of the container
• It increases as you move up in the fluid
• It decreases with depth

What is the value of 1 atmosphere in pascal?

• 101325 Pa
• 100000 Pa
• 105000 Pa
• 76000 Pa

How does pressure change with depth in a fluid?

• Increases with depth
• Decreases with depth
• Remains constant
• Varies randomly

The pressure exerted by a liquid column is given by:

• hρg
• hAg
• Vρg
• ρg/A

What is the pressure at sea level in terms of mercury height?

• 76 cm of Hg
• 101 cm of Hg
• 50 cm of Hg
• 200 cm of Hg