5: W 12/20, 7: Th 12/21Today, we'll first talk about Newton's Law of Gravitation. Then, we'll discover the direction of the centripetal force required to keep an object in uniform circular motion (towards the center of the circle). We'll take some data for a class lab to find how centripetal force, velocity, and radius are related.Handout: Newton's Universal GravitationHomework: Universal Gravitation WS p 1-2. ANSWERS. Make a graph for the first part of the circular motion experiment. Try to find out how speed and force of tension are related (linear, inverse, parabolic, etc.). |

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