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Mini-Quiz: Simple Machines

by Ron Kurtus (revised 12 July 2013)

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

1. How do you lift a car up to fix a flat tire?

You lift it up with pulleys

Use a car jack, which is a form of lever

You get several friends to help you

2. What did the ancient Egyptians use to build the pyramids?

They used elephants and ramps

They used levers and bulldozers

They used levers, rollers, and ramps

3. Why isn't a perpetual motion machine possible?

Friction will slow it down

There are strict laws against them

They are possible, but only in Germany

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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Mini-Quiz: Simple Machines

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