This activity was created by Jim and Jane Nelson, and is from the PTRA manual "Role of the Laboratory in Teaching Introductory Physics." It is a life-sized activity for students to investigate the forces and torques...
This research studies students' functional understanding of magnetic induction, the process by which changing magnetic flux induces electrical current in a circuit. Functional understanding includes the ability to...
In this activity from the PTRA manual "Role of the Laboratory in Teaching Introductory Physics", students set up their first circuit using meters and specially made resistors in heat sink boxes (not required), which do...
This student activity is designed to explore the potential energy of springs. By hanging different masses on a spring, students are lead to determine the potential energy in a stretched spring. Included are notes for...
This web page explains the physics of sonic shock waves. Text and animations describe and illustrate the wavefronts of sound from a moving point source for the cases of motion equal to, less than, and greater than the...
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