Big Backup
This item is included in the following series/curriculum: The Alan Nursall Experience
- Grade Level: General
- Subjects: Science and Nature
- Produced By: Exploration Production Inc.
- Year: 2011
- Country: Canada
- Language: English
- Running Time: 3m 39s
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Alan uses geometry and physics to explain why it's easier to back up with a long trailer than it is with a short trailer.