Across
- 1. sharp metal pin that goes through materials to hold them together
- 4. ramp that can lift heavy objects easily
- 7. lifting machine where the wheel is turned by a cord with an attached axle
- 8. wood, or metal that has one thick end and one thin end that holds objects together and secure
Down
- 2. consists of two or more simple machines working together
- 3. wheel with a rim where a cord can pass, lifts heavy objects
- 5. bar resting on a pivot, helps move heavy load when there is pressure on one end
- 6. point where the lever rests or supported where it pivots