SIMPLE MACHINES PRE-VISIT ACTIVITIES PULLEY A pulley is a simple machine with one or more grooved wheels connected by a rope.

First Page		Document Content
Date: 2011-04-11 10:56:46		SIMPLE MACHINES PRE-VISIT ACTIVITIES PULLEY A pulley is a simple machine with one or more grooved wheels connected by a rope. Add to Reading List Source URL: www.msichicago.org Download Document from Source Website File Size: 432,40 KB Share Document on Facebook