What are the 3 classes of levers?

What determines the type of lever it is? (think keywords)

Define a Fulcrum

Draw a First class lever

Give an example of a 1st class lever within the body

Describe a well-known example of a first class lever

Using keywords analysis a first class lever

Draw a Second class lever

Give an example of a 2nd class lever within the body

Describe a well-known example of a second class lever

Using keywords analysis a second class lever

Draw a third class lever

Give an example of a 3rd class lever within the body

Describe a well-known example of a third class lever

Using keywords analysis a third class lever

Describe how you would differentiate the three types of levers

What is a mechanical advantage?

Why do you want to have a mechanical advantage?

Which lever always has mechanical

advantage?

Describe mechanical disadvantage

Give an example of a lever with a mechanical disadavatge