Teaching Physics with the Physics Suite

Edward F. Redish

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Weighing a big suitcase

When preparing to travel to Australia last summer, I was concerned that my suitcase was too heavy. (There is a 20 kg limit on suitcases for international travel). Unfortunately, I only had a small bathroom scale. I tried standing on the scale, measuring my weight, and then standing on the scale holding the suitcase. Unfortunately, when I was holding the suitcase, I couldn't see the markings on the scale, and it was too heavy to hold behind me. Design a way for me to measure the weight of my suitcase.

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Page last modified October 15, 2002: R19