Pulley - A wheel with a rope wrapped around it that can be used to lift heavy objects by changing the direction or amount of force. , Inclined Plane - A flat surface that is raised higher at one end in order to move heavy objects up and down., Wheel and Axle - A rod that is attached to the center of a wheel that is used to turn or move objects., Wedge  - An object that is wide at one end and pointed at the other , Lever - A bar that moves around a fixed point in order to push, pull, or move things., Fulcrum - The name of the fixed point on a lever. , Screw - An inclined plane wrapped around a small rod used to hold objects together. , Compound Machine - Two or more simple machines working together. , Simple Machine  - A tool with few or no moving parts that make work easier. ,

Simple Machine Match!

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?