Soc 20 - Lever Systems Flashcards
What are the 3 components to a lever?
- A fulcrum
- A load
- An effort
Where is the fulcrum in a first class lever?
In the middle
Where is the load in a second class lever?
In the middle
Where is the effort in a third class lever?
In the middle
What is an example of a first class lever movement?
A tricep dip
What is an example of a second class lever movement?
A calf raise
What is an example of a third class lever movement.
A bicep curl
What is a mechanical advantage in levers?
This is when the load is greater than the effort, meaning you are getting more out than you are putting in.
Which levers work at a mechanical advantage?
First and second class levers work at mechanical advantages
What is a mechanical disadvantage in levers?
This is when the effort is greater than the load, meaning you are putting in more than you are getting out.
Which lever class works at a mechanical disadvantage?
Third class levers
