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Type: Multiple-Choice
Category: Simple Machines
Level: Grade 3
Score: 4
Author: tdowns
Last Modified: 4 years ago

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Simple Machines Question

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Grade 3 Simple Machines

Which of the following is the BEST choice if you need to lift a piano to a third floor window?
  1. lever
  2. pulley
  3. wedge
  4. wheel and axle
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