Levers Flashcards
1
Q
What are the three basic parts to a lever?
A
- fulcrum
- load
- effort
2
Q
How many classes are there of lever?
A
3
3
Q
Give an example of class 1 lever
A
Scissors/crowbar
4
Q
Give an example of class 2 lever
A
Wheelbarrow
5
Q
Give an example of class 3 lever
A
Tweezers
6
Q
What is a lever?
A
Type of mechanism - perhaps the earliest form Of a mechanism