Levers Flashcards
(7 cards)
1
Q
3 components of a lever
A
axis, resistance, force
2
Q
Axis
A
joint in the body that the lever moves around
3
Q
Force
A
muscles that contract to generate force to move the lever.
4
Q
Resistance
A
the bone of the body and whatever it is being held or moved by the bone.
5
Q
What is a 1st class lever?
A
Axis is in the middle
6
Q
What is a 2nd class lever?
A
Resistence in the middle
7
Q
What is a 3rd class lever?
A
force in middle
