020 Phys211 S10 Rotation

020 Phys211 S10 Rotation - 3/22/2010 1 Rotation Phys211...

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3/22/2010 1 Rotation Phys211 Spring 2010 03/22/10 Essential University Physics, J. Wolfson 1 03/22/10 Introductory Question 1 When an object is rotating along a circular path with an increasing number of revolutions per second, The linear acceleration (i.e. m/s 2 ) component along the path is A. forward B. zero C. backward Essential University Physics, J. Wolfson 03/22/10 Introductory Question 2 When an object is rotating along a circular path with an increasing number of revolutions per second, The linear acceleration (i.e. m/s 2 ) component along the path’s radius is A. toward the center B. zero C. away from the center Essential University Physics, J. Wolfson
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3/22/2010 2 03/22/10 Rotational Motion, Q1 There are many units for rotation. When linking rotational motion to anything else (linear motion, energy, force, torque, …), use radians!!! 5rad/s is the same as 5s -1 . Rotational Motion requires an axis, and a direction. Q:
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020 Phys211 S10 Rotation - 3/22/2010 1 Rotation Phys211...

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