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Pressure

If you've blown up a balloon, pumped up a bike tire or used a vacuum cleaner you already have a lot of experience with pressure.

Pressure is the amount of force exerted by a fluid on a surface per unit of area. If the air pressure in a bike tire is 50 psi (pounds / square inch) then each square inch of the rubber inside the tire is experiencing 50 pounds of force (about 222 Newtons). And if we increase the pressure in any part of an enclosed fluid, the pressure increases by the same amount everywhere (known as Pascal's principle).

We're going to talk about atmospheric pressure (the air pressure around us) and the difference between absolute pressure and gauge pressure.

Finally, we'll learn how to describe the pressure in a fluid at different points, and how fluid pressure increases with depth due to the weight of the fluid above it.

Study guide with the variables, equations and examples of fluid pressure
Study guide with the variables, equations and examples of vacuums, absolute pressure, gauge pressure and atmospheric pressure
Study guide with the variables, equations and examples of pressure and fluid depth
Study guide with the variables, equations and examples of confined fluids, Pascal's principle, pistons and pressure over an area
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Pressure
Absolute Pressure and Gauge Pressure
Pressure and Fluid Depth
Confined Fluids and Pascal's Principle
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Multiple-Choice Questions

AP Physics 1 multiple choice questions (MCQ) for fluid pressure

Answers

Answer and solutions for the AP Physics 1 multiple choice questions (MCQ) for fluid pressure

1

If you've blown up a balloon, pumped up a bike tire or used a vacuum cleaner you already have a lot of experience with pressure.

Pressure is the amount of force exerted by a fluid on a surface per unit of area. If the air pressure in a bike tire is 50 psi (pounds / square inch) then each square inch of the rubber inside the tire is experiencing 50 pounds of force (about 222 Newtons). And if we increase the pressure in any part of an enclosed fluid, the pressure increases by the same amount everywhere (known as Pascal's principle).

We're going to talk about atmospheric pressure (the air pressure around us) and the difference between absolute pressure and gauge pressure.

Finally, we'll learn how to describe the pressure in a fluid at different points, and how fluid pressure increases with depth due to the weight of the fluid above it.

Preview of the study guides for pressure, absolute and gauge pressure, fluid depth, Pascal's principle and pistons
Preview of the AP Physics 1 multiple choice questions (MCQ) for fluid pressure
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