Relier Pairs Forces and motionVersion en ligne Forces, motion, and simple machines par Ksenia Carpenter 1 Force 2 A wheel and axle 3 Friction 4 A screw 5 Wedge 6 Ramp/Inclined plane 7 Gravity 8 Motion The process of an object moving from one location to another. It changes the position of an object. A simple machine that is used to carry or move an object around more easily using less effort Example: wagon, bicycle A force between the surface of two objects that causes an object to speed up or slow down A push or pull A force that pulls an object towards Earth’s surface A simple machine that is in the shape of an inclined plane wrapped in a spiral. It is used to hold objects together. Example: used to build homes A simple machine that makes it easier to move heavy objects between higher and lower places. It is a flat surface that has one end higher than the other. For example, a slide on the playgrund A simple machine used to cut objects into smaller pieces