About This Lesson

Welcome to Accelerated Motion, the third lesson in Unit 2: Kinematics.

This lesson shows how motion graphs describe objects whose speed is changing.

How to Use This Lesson

1. Watch the teaching video
2. Complete the worksheet
3. Check your answers
4. Use the worked video solutions for any problems you want to review step by step

Teaching Video

In this video, I discuss position vs. time and velocity vs. time graphs for accelerating objects. I focus on how to determine if a graph shows an object speeding up versus slowing down, as well as if the graph shows an object moving in the positive or negative direction. I also touch on acceleration vs. time graphs and how they relate to the velocity vs. time graphs.

Practice Materials

Use the resources below to practice the concepts from this lesson. Try to complete the worksheet on your own before checking the answer key.

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• Download Worksheet (2.03 Accelerated Motion)
• Download Answer Key (2.03 Accelerated Motion)

Worked Solutions

The videos below walk through each worksheet problem step by step.

Problem 1–4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Next Step
When you’re ready, continue to 2.04 Kinematic Equations.