Physics I Quiz Images: 2 Cars and Relative Velocity

Because Canvas often fails to copy images from one shell to another, especially on quizzes, here is another addition to my ever-growing repository of quiz images. This one shows two cars which are moving in different directions.

Version 1:

Version 2:

Version 3:

General Physics I Quiz Image: A Force Diagram for a Stubborn Mule

Because Canvas has trouble copying images fro one shell to another consistently, here is another image or diagram for use in my online quizzes:

This is a diagram of two people pulling on a stubborn mule which refuses to budge.