Lever Systems Flashcards
1
Q
123
A
FLE
2
Q
1st class
A
Atlas/axis
Eg. When performing a header in football
Effort
Fulcrum
Load
3
Q
2nd class
A
Plantar flexion
Eg. Long jump take off
Effort
Load
Fulcrum
4
Q
3rd class
A
Bicep curls
Load
Effort
Fulcrum
5
Q
Mechanical advantage
A
Load arm = shorter
—> little effort needed for a LARGER load
—> little range of movement
2nd class
Sometimes 1st
6
Q
Mechanical disadvantage
A
Effort arm shorter
—> greater effort needed for a SMALLER load
—> great ranger of movement
3rd class
Sometimes 1st
7
Q
In exam (markscheme)
A
AO1: which lever
AO2: example in sport
AO3: mechanical ad/dis
