levers Flashcards
1
Q
what are the two arms of a lever
A
- load arm between the load and fulcrum
- effort arm between the effort and the fulcrum
2
Q
what are the three components that make up a lever
A
Load
Effort
Fulcrum
3
Q
what leads to a mechanical advantage of the lever
A
when the effort arm is longer than the load arm
the lever is stronger
4
Q
what leads to a mechanical disadvantage of the lever
A
when the load arm is longer than the effort arm
increases velocity
