Lever systems

Question 1

What are the three lever systems?

Answer 1

1st class
2nd class
3rd class

Question 2

What is the acronym for lever systems?

Answer 2

123 FLE

Question 3

What is the effort arm?

Answer 3

the distance between effort and the fulcrum

Question 4

What is the load arm?

Answer 4

distance from the load and the fulcrum

Question 5

Which lever has a mechanical advantage?

Answer 5

2nd class lever as the effort arm is larger than the load arm.

Question 6

What way should the arrows point on the diagrams?

Answer 6

The load arrow should point down and the effort upwards.
APART from the 1st class lever where both arrows point down.