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Groom Observation Essay

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The class was presented with the problem that a grandfather clock’s pendulum was not keeping time, and divided into three groups in an attempt to solve the issue. Each group was to test one independent variable that would most affect the swing of the pendulum, and was comprised of three smaller teams of two people. The three groups would change the mass of the bob, the length of the rod (string), and the angle from which the bob was released. It was hypothesized that if the mass of the bob were increased, then the pendulum would keep time differently because of air resistance. This was concluded because adding weights to the bob would increase the surface area and therefore cause a variation in the pendulum’s swing. The dependent variable

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