The inclined plane is one of the simple machines of antiquity, the physical operations of which were first theorized by Archimedes in the second century B.C., and then further explained by Hero of Alexandria in the first century A.D.. Inclined planes...

The inclined plane is one of the classical simple machines; as the name suggests, it is a flat surface whose endpoints are at different heights. By moving an object up an inclined plane rather than directly from one height to another, the amount of...

Summary Students work in cooperative groups, one team per ramp. They roll balls down inclined planes, collect data with the help of an electronic motion detector, and represent the data with a graphing calculator to explore such concepts as mass, gravity, velocity,...

Imagine coaching a track team without the help of a stopwatch, or judging a swim meet without using electronic timers. Today, we make extensive use of technology to analyze objects in motion. Photographs determine the winners of horse races. Radar guns help law...