Teaching Physics with the Physics Suite
Edward F. Redish
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Teaching Physics with the Physics Suite Edward F. Redish Home | Action Research Kit| Sample Problems | Resources | Product Information |
Problems Sorted by Type | Problems Sorted by Subject | Problems Sorted by Chapter in UP |
In public restrooms there are often paper towel dispensers that require you to pull downward on the towel to extract it. If your hands are wet and you are pulling with one hand, the towel often rips. When you pull with both hands, the towel can be extracted without tearing. Explain why.
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Page last modified October 30, 2002: M04