Lever systems Flashcards
1
Q
What are the three lever systems?
A
1st class
2nd class
3rd class
2
Q
What is the acronym for lever systems?
A
123 FLE
3
Q
What is the effort arm?
A
the distance between effort and the fulcrum
4
Q
What is the load arm?
A
distance from the load and the fulcrum
5
Q
Which lever has a mechanical advantage?
A
2nd class lever as the effort arm is larger than the load arm.
6
Q
What way should the arrows point on the diagrams?
A
The load arrow should point down and the effort upwards.
APART from the 1st class lever where both arrows point down.
