Understanding Tools and Machines

Mini-Quiz: Speed Mechanical Advantage

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

QUIZ

Self-check your understanding

What is the speed mechanical advantage when the output speed is 10 times the input?
The input speed must always be greater than the output speedSorry, not correct. Try another button. 10That is correct. You understand speed mechanical advantage. 1/10Good try, but not right. Select another answer.
How does MAS compare with MAD?
They are equalCorrect. You are improving. You can't tell, because you don't have any distances mentionedOops! Wrong answer. Re-read the question and try again. They are reciprocalsSorry, not correct. Try another button.
What is the difference between the input and output arms in a catapult?
The output arm has a much greater length than the input armThat is correct. You understand speed mechanical advantage. They must remain the same to ensure stabilityGood try, but not right. Select another answer. The input arm has a much greater length than the output armOops! Wrong answer. Re-read the question and try again.

Pick an answer to see instant feedback. Re-read the lesson if you miss one.

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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Self-check your understanding

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