lever class system Flashcards
what is a first class lever system
a first class lever system is one where the fulcrum is positioned between the effort and the load
give an example of a first class lever system in sports
extension at the elbow when throwing a ball
what is the correct positioning of the fulcrum, load and effort in a first class lever system
the fulcrum is positioned in-between the load and the effort
what is a second class lever system
the load is positioned between the fulcrum and the effort
what is an example of a second class lever system
gymnast performing a standing heel raise
what is a third class lever system
the effort is positioned between the fulcrum and the load
give an example of a third class lever system
bicep curl
what does mechanical advantage mean
leavers can move large loads with small amounts of effort
equation for mechanical advantage
mechanical advantage = effort / load
