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    3 conceptual TEST questions

    1. a force is directed 20 degrees from the horizontal on a 2kg object. At the top of its projectory, what is the magnitude of the force acting on the object. I said 19.6 N, because the only force acting there would be gravity, right? so 9.8*2 = 19.6 N 2. an object that weighs 3m explodes...