Understanding Tools and Machines

Mini-Quiz: Increasing Force with a Lever

SCSchool for Champions LLC

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

QUIZ

Self-check your understanding

What lever classes are used to increase force with a lever?
Class 1 and Class 2That is correct. You know how to increase force. Class 2 and Class 3Sorry, not correct. Try another button. Class 1 and Class3Good try, but not right. Select another answer.
Which lever arm must be longer to increase the output force?
Load armOops! Wrong answer. Re-read the question and try again. It doesn't matterSorry, not correct. Try another button. Effort armCorrect. You are smart!
If the effort force is 10 g and the resulting load force is 50 g, what is the force mechanical advantage?
1/5Oops! Wrong answer. Re-read the question and try again. 500Good try, but not right. Select another answer. 5That is correct. You know how to increase force.

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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