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AP®︎ Physics 1: Topic 3.5 Practice Test

Prepare for your quiz, test, or the AP exam with focused practice questions on Topic 3.5 of AP Physics 1 – Power.

Questions List

Topic 3.5

Q10

Q11

Q12

Q13

Q14

Q15

Question 1 Easy

A motor has a constant power output of

200\ \mathrm{W}

. Which of the following statements correctly describes what this power output means?

AIt transfers

200\ \mathrm{J}

of energy every second.

BIt transfers

1\ \mathrm{J}

of energy every

200\ \mathrm{s}

CIt transfers a total of

200\ \mathrm{J}

, regardless of how long it operates.

DIt exerts a force of

200\ \mathrm{N}

whenever it operates.

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 3.5: Power

Learning Objective: 3.5.A

Describe the transfer of energy into, out of, or within a system in terms of power.

Essential Knowledge: 3.5.A.1

Power is the rate at which energy changes with respect to time, either by transfer into or out of a system or by conversion from one type to another within a system.

Essential Knowledge: 3.5.A.2

Average power is the amount of energy being transferred or converted, divided by the time it took for that transfer or conversion to occur. Relevant equation: $P_{\mathrm{avg}} = \frac{\Delta E}{\Delta t}$

Essential Knowledge: 3.5.A.3

Because work is the change in energy of an object or system due to a force, average power is the total work done, divided by the time during which that work was done. Relevant equation: $P_{\mathrm{avg}} = \frac{W}{\Delta t}$

Essential Knowledge: 3.5.A.4

The instantaneous power delivered to an object by the component of a constant force parallel to the object’s velocity can be described with the derived equation. $P_{\mathrm{inst}} = F_{\parallel}v = Fv\cos\theta.$

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AP®︎ Physics 1: Topic 3.5 Practice Test

Question 1 Easy

What You’re Being Tested On:

Learning Objective 3.5.A: 3.5.A.1, 3.5.A.2, 3.5.A.3, 3.5.A.4