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What's so important about a lever or a wedge?
Wedges are used to pry apart things like wood. The force is used to pry the load-the wood-apart. The force and load go in opposite directions. Wedges used in daily life are: doorstops, axes, and plows.
Levers are used to lift things and make the lifting less tiring. The force is the heavier weight, and the load is the lighter weight. The force and load go in opposite directions. Some examples of levers in daily life are: seesaws, scissors, and plyers.
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