---
title: "Unit 3 – Work, Energy, and Power - AP Physics 1"
description: "Review Unit 3 – Work, Energy, and Power for AP Physics 1 with Fiveable study guides and practice resources."
canonical: "https://fiveable.me/ap-physics-1-revised/unit-3"
type: "unit"
subject: "AP Physics 1"
unit: "Unit 3 – Work, Energy, and Power"
---

# Unit 3 – Work, Energy, and Power - AP Physics 1

## Overview

Unit 3 – Work, Energy, and Power

## Study Guides

- [3.1 Translational Kinetic Energy](/ap-physics-1-revised/unit-3/1-translational-kinetic-energy/study-guide/jiKKHhAZFwLOFh5N)
- [3.2 Work](/ap-physics-1-revised/unit-3/2-work/study-guide/wIYF5CugCCQZCGKx)
- [3.3 Potential Energy](/ap-physics-1-revised/unit-3/3-potential-energy/study-guide/JOHf0KeXoaldDqpO)
- [3.4 Conservation of Energy](/ap-physics-1-revised/unit-3/4-conservation-of-energy/study-guide/ryRjnKmvIfMWNvdl)
- [3.5 Power](/ap-physics-1-revised/unit-3/5-power/study-guide/S31ApPYjGfgL2Twn)

## FAQs

### What topics are covered in AP Physics 1 Unit 3?

AP Physics 1 Unit 3 covers 5 topics: Translational Kinetic Energy (3.1), Work (3.2), Potential Energy (3.3), Conservation of Energy (3.4), and Power (3.5). Work is the central idea, connecting force and displacement to changes in energy. Together these topics build the foundation for understanding how energy moves and transforms in physical systems. See the full topic breakdown at [AP Physics 1 Unit 3](/ap-physics-1-revised/unit-3).

### How much of the AP Physics 1 exam is Unit 3?

Unit 3: Work, Energy, and Power makes up 18-23% of the AP Physics 1 exam, making it one of the most heavily tested units. It covers work, translational kinetic energy, potential energy, conservation of energy, and power. Expect multiple MCQ questions and at least one FRQ that asks you to apply energy principles to real physical scenarios.

### What's on the AP Physics 1 Unit 3 progress check (MCQ and FRQ)?

The AP Physics 1 Unit 3 progress check in AP Classroom includes both MCQ and FRQ parts drawn from all 5 unit topics: Translational Kinetic Energy, Work, Potential Energy, Conservation of Energy, and Power. The MCQ section tests conceptual understanding and calculation across these topics, while the FRQ section asks you to analyze scenarios using energy representations like bar charts and equations. For matched practice on every progress check topic, visit [AP Physics 1 Unit 3](/ap-physics-1-revised/unit-3).

### How do I practice AP Physics 1 Unit 3 FRQs?

AP Physics 1 Unit 3 FRQs most often focus on conservation of energy and work, asking you to set up energy equations, draw or interpret bar charts, and justify your reasoning in writing. Practice by working through scenarios where a force does work on an object and tracking how kinetic and potential energy change. Write out full explanations, not just numbers. College Board released FRQs are the best benchmark. You can also find targeted FRQ practice at [AP Physics 1 Unit 3](/ap-physics-1-revised/unit-3).

### Where can I find AP Physics 1 Unit 3 practice questions?

For AP Physics 1 Unit 3 practice questions, including MCQ and practice test sets, head to [AP Physics 1 Unit 3](/ap-physics-1-revised/unit-3). You'll find questions covering work, energy, conservation of energy, and power that mirror the style of the actual AP exam. For the best results, mix multiple-choice practice with full FRQ attempts so you're ready for both question formats on test day.

### How should I study AP Physics 1 Unit 3?

Start with work as the core concept, since it connects force and displacement to every other idea in the unit. Build up through translational kinetic energy and potential energy before tackling conservation of energy, which is the most tested topic at 18-23% of the exam. Use energy bar charts to visualize how energy transfers between forms. Then practice power problems, which are often calculation-heavy. After each topic, do a short set of MCQs to check your understanding before moving on. [AP Physics 1 Unit 3](/ap-physics-1-revised/unit-3) has study guides and practice organized by topic to keep you on track.

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