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Forces in Motion · Term 2

Simple Machines: Levers and Pulleys

Students will investigate how levers and pulleys change the magnitude or direction of forces to make work easier.

Key Questions

  1. Compare the mechanical advantage offered by different classes of levers.
  2. Explain how a system of pulleys can reduce the effort needed to lift a heavy object.
  3. Design a simple machine to solve a specific lifting problem.

ACARA Content Descriptions

AC9S7U04AC9S7H02
Year: Year 7
Subject: Science
Unit: Forces in Motion
Period: Term 2

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