Physics Lab Report I

# Physics Lab Report I - Joshua Black Centripetal Force...

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Joshua Black February 21, 2008 Centripetal Force – Uniform Circular Motion General Physics I Section 2414

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The purpose of this lab was to prove that (mv^2)/r equals centripetal force. We observed  the phenomenon involved in the motion of a mass traveling with constant speed in a circular  path. We attempted to measure the centripetal force acting on the mass as it underwent uniform  circular motion. When a body is experiencing uniform circular motion, it has a constant speed, however,  it has a constantly changing velocity. Because the velocity is always changing due to change in  direction, there must be an acceleration to cause this due to Newton’s second law. This force is  labeled as centripetal force. In this experiment, we used an apparatus that measures centripetal force using a bob  suspended between two points when it is spun. First, we had to measure the force required to
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