Levers

Question 1

Lever 1 =

Answer 1

Fulcrum lies in the middle, between the effort and the load.- elbow extension for a football throw in.

Question 2

Lever 2 /\

Answer 2

The load is in the middle, the fulcrum is at one end and the effort is at the other.- Push ups, planterflexion and dorsiflexion.

Question 3

Lever 3 \/

Answer 3

The effort lies in the middle, between the load and fulcrum.- Bicep curl.

Question 4

Mechanical Advantage

Answer 4

The amount of energy produced by a machine compared to the amount of force applied to use it. MA= EA/WA. MA= Mechanical Advantage, EF= Effort Arm (effort to fulcrum), WA= Weight Arm (ressictance load to fulcrum).