Understanding Tools and Machines

Mini-Quiz: Simple Machines

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

QUIZ

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How do you lift a car up to fix a flat tire?
You lift it up with pulleysSorry, not correct. Try another button. Use a car jack, which is a form of leverThat is correct. You are becoming a Champion. You get several friends to help youGood try, but not right. Select another answer.
What did the ancient Egyptians use to build the pyramids?
They used elephants and rampsSorry, not correct. Try another button. They used levers and bulldozersOops! Wrong answer. Re-read the question and try again. They used levers, rollers, and rampsCorrect. And you're good looking, too.
Why isn't a perpetual motion machine possible?
Friction will slow it downThat is correct. You are becoming a Champion. There are strict laws against themGood try, but not right. Select another answer. They are possible, but only in GermanySorry, not correct. Try another button.

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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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