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Mini-Quiz: Three Lever Classes

by Ron Kurtus (20 November 2014)

Take this Mini-Quiz to check your understanding of the lesson material.



1. Why is a pair of pliers called a double class 1 lever?

You need two of them to pick up things

You apply two efforts for two loads around one fulcrum

No one knows for sure

2. Which is an example of a class 2 lever?

Wheelbarrow

Tweezers

Scissors

3. How is a broom a class 3 lever?

You hold near the top and push at a lower level on the broom handle

It is only a class three lever when used by two people

The fulcrum is at the bottom of the broom

If you got all three correct, you are on your way to becoming a Champion in Understanding Machines. If you had problems, you had better look over the material again.


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