It’s possible to balance an apparatus made of plastic tubing, a steel rod, and a wooden dowel on your fingertip if you know where the center of gravity is. With this simple lab activity, students first calculate where the center of gravity is, depending on the size and mass of the components, then test their results by attempting a balancing act. They can construct any number of combinations with the materials supplied. The lab activity comes with everything you need for five setups, including plastic tubing of different lengths, steel rods of different lengths, wooden dowels all the same length, instructions, and student worksheet copymasters.
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