AP®︎ Physics 1: Topic 8.2 Practice Test

Prepare for your quiz, test, or the AP exam with focused practice questions on Topic 8.2 of AP Physics 1 – Pressure.

Questions List

Topic 8.2

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Question 1 Easy

A 60 kg60\ \text{kg} crate rests on a horizontal floor with its entire bottom face in contact with the floor. The bottom face measures 0.50 m0.50\ \text{m} by 0.60 m0.60\ \text{m}. The average pressure the crate exerts on the floor is most nearly which of the following? Use g=10 m/s2g = 10\ \text{m/s}^2.
A200 Pa200\ \text{Pa}
B2000 Pa2000\ \text{Pa}
C550 Pa550\ \text{Pa}
D180 Pa180\ \text{Pa}

What You’re Being Tested On:

Explore the learning objectives taken directly from the College Board’s AP® Physics 1 Curriculum. Ensure you’re prepared for the exact topics covered on the AP® exam, in-class tests, and quizzes, and gain confidence in your mastery of the material.

Topic 8.2: Pressure

Learning Objective: 8.2.A

Describe the pressure exerted on a surface by a given force.

Essential Knowledge: 8.2.A.1

Pressure is defined as the magnitude of the perpendicular force component exerted per unit area over a given surface area, as described by the equation P=F⊥AP = \frac{F_{\perp}}{A}.

Essential Knowledge: 8.2.A.2

Pressure is a scalar quantity.

Essential Knowledge: 8.2.A.3

The volume and density of a given amount of an incompressible fluid is constant regardless of the pressure exerted on that fluid.

Learning Objective: 8.2.B

Describe the pressure exerted by a fluid.

Essential Knowledge: 8.2.B.1

The pressure exerted by a fluid is the result of the entirety of the interactions between the fluid’s constituent particles and the surface with which those particles interact.

Essential Knowledge: 8.2.B.2

The absolute pressure of a fluid at a given point is equal to the sum of a reference pressure P0P_0, such as the atmospheric pressure PatmP_{atm}, and the gauge pressure PgaugeP_{gauge}. Relevant equation: P=P0+ρghP = P_0 + \rho gh

Essential Knowledge: 8.2.B.3

The gauge pressure of a vertical column of fluid is described by the equation Pgauge=ρghP_{gauge} = \rho gh.

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