Soc 20 Levers Flashcards
1
Q
What is a lever?
A
In your body, the term ‘lever’ refers to a system of
muscles and bones working together to bring
about movement.
2
Q
How does a lever work? Part 1
A
1) Fulcrum - (or pivot) - the point around which the lever
rotates (joints).
3
Q
How does a lever work? Part 2
A
2) Load - the force that is applied by the lever system
(resistance/ object).
4
Q
How does a lever work? Part 3
A
3) Effort - a force that is applied by the user of the lever
system (muscles).
5
Q
How does a lever work? Part 4
A
4) Lever arm - a rigid bar such as a bone
