Please enable JavaScript.
Coggle requires JavaScript to display documents.
Levers - Coggle Diagram
Levers
Third class lever
-
-
mechanical disadvantage - the load can be moved quickly - if resistance arm in extended, greater speed at the resistance and the load is released at a greater speed
example: kicking a football - effort is the quads, fulcrum is the hinge joint at the knee, load is the ball
-
-
-
First class lever
example: heading a ball - effort is the neck muscles (traps/delts), load is the ball, fulcrum is the neck - fulcrum is in the middle
Second class lever
example: standing on tip toes to mark a player a netball - effort is contraction of gastrocnemius muscle, loads is the body weight, fulcrum is the toes - load is in the middle
-