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Wedge
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Splitting wood with a hammer and wedge
A wedge is a simple machine used mainly to put in between two stones.[1] A wedge as a tool is used to push two things apart such as the blade of a sword and knife does when it cuts wood.[2] A wedge can also be used to lift an object or hold an object in place. The mechanical advantage of a wedge depends on the ratio of its length to its thickest part.
- ↑ "Simple Machines". Georgia State University. Retrieved 12 January 2016.
- ↑ "The Wedge". Scholastic Inc. Retrieved 12 January 2016.