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Type: Multiple-Choice
Category: Simple Machines
Level: Grade 9
Tags: machines
Author: jlovering
Last Modified: a month ago

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Simple Machines Question

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Grade 9 Simple Machines

Blake placed a ruler on the edge of his desk so that part was extended past the edge. He placed a ball of paper on one side and then hit the other side causing the paper ball to launch into the air.

In this example, the edge of the desk could best be described as
  1. a fulcrum.
  2. the load.
  3. the effort.
  4. mechanical advantage.
  5. efficiency.
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