In Lesson 17, students explore the Phenomenon Question: What causes an object to stay at rest even when a force is exerted on it? Students observe an Atwood machine and develop a model (SEP.2) to show ...
Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS using one of the services below. You've just tried to add this ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback