Soc 20 Flashcards
What does FLE stand for
F- fulcrum
L- load
E- effort
What is a 1st class lever
Load,fulcrum,effort
Effort,fulcrum,load
What is the 2nd class lever
Fulcrum,load,effort
Effort,load,fulcrum
What is the 3rd class lever
Fulcrum,effort,load
Load,effort,fulcrum
Why are the first and second levers at a mechanical advantage
Because you have more effort (muscles) then the resistance load so its easier
Why is a third class lever at a mechanical disadvantage
Because the load (resistance weight) is more than the effort (muscles)
What is a fulcrum displayed as
Triangle
What is a load displayed as
Square/rectangle
What is the effort displayed as
Arrow
What is a lever
In your body, the term ‘lever’ refers to the system of muscles and bones working together to being about movement.