which list correctly orders effort (E), fulcrum (F), and load (L) for each lever class?

1. Class 1 lever: Effort (E), Fulcrum (F), Load (L)

2. Class 2 lever: Load (L), Fulcrum (F), Effort (E)
3. Class 3 lever: Fulcrum (F), Load (L), Effort (E)