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Wedge Definition

A wedge is a simple machine that gets thinner at one end that is used to split material. The wedge changes the direction of the force.

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Simple Machines

LESSON MATERIALSmove

Fun Facts

  • An axe is a wedge used to split wood.
  • A knife is a daily-use wedge.
  • A wedge can hold open a door.

Why Do We Need To Know About Wedge

Learning about the wedge helps us see how simple tools make work easier. The wedge is a basic but very useful tool used in many areas like cutting trees, woodworking, and cooking, showing us how it can be used in different ways.

For example, an axe, which is a type of wedge, is very important for splitting wood in forestry. Chefs use knives, also a kind of wedge, to cut food easily. Also, wedges are used in building and decorating to keep doors open, showing us how they are useful in our daily lives and in work.

Frequently Asked Questions

Describe a simple machine.
Simple machines have few or no moving parts. They make work easier by changing the direction of a force or by changing the amount of force needed.
Why are simple machines important?
Simple machines can help make work easier. Without simple machines you might not be able to move something really heavy.
How does a pulley help lift things?
A pulley uses a wheel to change the direction of a force. As you pull down, the object goes up. Sometimes pulling down is easier because the force of gravity helps.
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