Chapter10_1-3_FA05

Chapter10_1-3_FA05 - Angular Motion Chapter 10 Figure 10-1...

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Angular Motion Chapter 10
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Figure 10-1 Angular Position
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Figure 10-2 Arc Length
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Figure 10-3 Angular Displacement
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Figure 10-4 Angular Speed and Velocity
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Angular Speed is a Vector! ϖ We use a “right hand rule” to determine the vector direction of a rotation. Using your right hand, curl your fingers in the direction of the rotation. Your thumb points in the direction of the rotation. Works for angular acceleration as well.
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Figure 10-5 Angular Acceleration
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Summary of angular motions. t t = = ϖ α θ Angular position, radians, measure counter- clockwise. Angular velocity, radians per second. Angular acceleration, radians per second squared. Note that radians are a dimensionless quantity. Radians = Degrees * π /180 Example: 180 degrees = 3.14 radians
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2 2 1 mv K a m F v m P t v a t x v x = = = = = 2 2 1 ϖ α θ I K I T I L t t = = = = = Velocity Acceleration Momentum Force/Torque Kinetic Energy
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Chapter10_1-3_FA05 - Angular Motion Chapter 10 Figure 10-1...

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