Energy and Motion · Physical Science
Simple Machines
Understanding how levers, pulleys, and gears multiply force to make work easier.
Key Questions
- 1How can a small force move a heavy object using a lever?
- 2What causes friction to reduce the efficiency of a machine?
- 3How do we know which simple machine is best for a specific mechanical task?
ACARA Content Descriptions
AC9S8U06
Year: Year 8
Subject: Science
Unit: Energy and Motion
Period: Physical Science
Suggested Methodologies
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