What is a machine?
What four simple machines have we talked about already?
What do machines do for us?
What is a Force?
What is a Load?
Wedge
Look like and inclined plane.
Are used to separate or hold together two objects.
Some examples:
- An axe is a wedge used to chop – or break – logs into pieces.
- A shovel is a wedge used to break up soil.
- A knife is a wedge used to cut food or other material.
- A push pin or tack is a wedge used to hold papers in place.
- A nail is a wedge used to secure two boards together.
- A doorstop is a wedge used to hold a door open
Lets Review!
What is a wedge?
What is it used for?
What are some examples of a wedge?
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