Simple Machines Junior
- Grade Level: Primary (1-3)-Junior High (7-9)
- Produced By: Classroom Video
- Year: 1995
- Country: Australia
- Language: English
- Running Time: 23m
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How simple machines make a task easier. We see that if we reduce the force, we have to move further. Examples shown include : lifting four bricks on a bench in different ways; using a ramp with a skateboard; using different pulley systems; levers, capstan, gears and belt pulleys; complicated machines.