A string is wrapped around a wheel and axle, draped over a pulley, and attached to a hanging mass.  The potential energy of the hanging mass is converted into rotational kinetic energy of the wheel and axle.

This is the Lab 9 Tier 2 Challenge Set-Up. This set-up presents an “error” in conducting the trial which affects the student’s result. The challenge is for the student to determine what Danny did wrong in conducting his trial and determining how the error impacted the results.

Download file includes the Video (MP4), an editable Lab Sheet (MS Word) for student use, and the Teacher’s Guide (PDF) for the instructor.