023 Phys211 S10 Rotational Vectors

023 Phys211 S10 Rotational Vectors - 3/30/2010 1 Rotational...

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3/30/2010 1 Rotational Vectors Phys211 Spring 2009 3/30/10 Essential University Physics, J. Wolfson 1 3/30/10 Introductory Question 1 A wheel spins around a vertical axis. The edge closest to you moves to the right. When viewed from the ceiling, the direction of rotation is ___________. When viewed from the floor, the direction of rotation is ______. A. clockwise; clockwise B. clockwise; counter-clockwise C. counter-clockwise; clockwise D. counter-clockwise; counter-clockwise Essential University Physics, J. Wolfson 3/30/10 Recall One Dimension All objects move along lines parallel to the same axis. You want to describe the direction of motion. A common way involves one factor: One of the two possible directions along the line, often identified as (+) and (-). All objects rotate around lines parallel to the same axis. You want to describe the direction of motion. A common way involves one factor: One of the two possible directions around the line, often identified as (+) and (-).
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023 Phys211 S10 Rotational Vectors - 3/30/2010 1 Rotational...

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