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Type: Multiple-Choice
Category: Simple Machines
Level: Grade 9
Score: 1
Author: jlovering
Created: 11 years ago

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Simple Machines Question

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Grade 9 Simple Machines

Which of the following would most likely make a machine more efficient?
  1. Increasing the Mechanical Advantage
  2. Increasing the effort distance by decreasing the effort force
  3. Increasing the effort force by decreasing the effort distance
  4. Decreasing the friction by using wheels or lubricant