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Multiple Choice 1. What is the best description of uniform circular motion? A. an object traveling at a constant velocity B. an object traveling at constant speed on a circle C. an object undergoing non-uniform motion D. an object undergoing non -uniform accelerated motion 2. When an object in vertical circular motion is at its minimum tension, what provides the centripetal force at the top of the circle? A. the normal force B. Inertia C. Gravity D. Tension 3. NASA wants to send astronauts to another planet. To do so they need to know the weight of the astronauts and their equipment on that planet. They would use which of the following to calculate this? A. Kepler's Law B. Newton's Universal Law of Gravitation C. Newton's first Law D. Newton's third Law