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What is an effort?
What is the load?
What is a simple machine?
What are the three different ways a simple machine can make a task easier?
What is a force multiplier?
What are speed multipliers?
What is a lever?
What is fulcrum?
The way a lever operates, depends on what?
Levers can be grouped into what three types or classes of levers?
What is a first-class lever?
What are some examples of first-class levers?
What is a second class lever?
What are some examples of second-class levers?
What is a third-class lever?
What are some examples of a third-class lever?
What is the mechanical advantage?
What are some examples of speed multipliers?
Where is the fulcrum positioned in a second-class lever?
Where is the fulcrum positioned in a first-class lever?
