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 Role of the Laboratory: Motion of a Simple Pendulum This is a simple pendulum laboratory activity from the PTRA manual "Role of the Laboratory in Teaching Introductory Physics". The activity is typical for studying a pendulum and includes minimum directions. An introduction is provided for a physical pendulum. Timing can be done by using a light probe and a computer, photogate, or a stopwatch. http://www.compadre.org/Repository/document/ServeFile.cfm?ID...
 Role of the Laboratory: Prediction of Landing Position In this activity from the PTRA manual "Role of the Laboratory in Teaching Introductory Physics", students predict the landing point of a pendulum bob if its string is cut at the bottom of its swing. Energy considerations are used to predict the point. Then the students try it. http://www.compadre.org/Repository/document/ServeFile.cfm?ID...
 Role of the Laboratory: Power Transfer In this activity from the AAPT/PTRA manual "Role of the Laboratory in Teaching Introductory Physics", students are asked to find the condition for maximum power transfer from a power supply to a load resistor. By adding an "internal resistor" to a power supply it can be made a variable in a typical power transfer laboratory activity. Students who have studied calculus can do a maximization... http://www.compadre.org/Repository/document/ServeFile.cfm?ID...
 Role of the Laboratory: Ohm's Law 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 not require alligator clips and don't burn hands. http://www.compadre.org/Repository/document/ServeFile.cfm?ID...
 Role of the Laboratory: Force Distribution 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 acting on the supports of a simple bridge. It can be viewed or downloaded as a pdf document. http://www.compadre.org/Repository/document/ServeFile.cfm?ID...
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