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Types of Machines - Section Review
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1. Give an example of each of the following simple machines: first class lever, second class lever, third class lever, inclined plane, wedge, and screw.
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6 points
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2. A third class lever has a mechanical advantage of less than 1. Explain why it is useful for some tasks.
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2 points
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3. Give an example of a wheel and axle.
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4. Identify the simple machines that make up tweezers and nail clippers.
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4 points
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5. The radius of the wheel of a wheel and axle is four times greater than the radius of the axle. What is the mechanical advantage of this machine?
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1 point
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