Thursday, 15 June 2017

Simple Machines: Wedge

Today we are going to be learning all about Wedges! and how they work but lets do a quick review first!

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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