Muscles Flashcards
1
Q
what is a second class lever?
A
fulcrum–load–effort
1
Q
what is a 1st class lever?
A
load–fulcrum–effort
2
Q
what is a 3rd class lever?
A
fulcrum–effort–load
3
Q
mechanical advantage
A
-power
-load is close to fulcrum, effort is not
4
Q
mechanical disadvantage
A
-speed
-effort is close to fulcrum, load is not
5
Q
1st class lever example
A
seesaw
6
Q
2nd class lever example
A
weelbarrow
7
Q
3rd class lever example
A
tweezers
8
Q
which lever is the most common
A
3rd class