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11_08_Torque_2

# 11_08_Torque_2 - 11/7 Torque Angular Variables Today Torque...

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11/7 Torque & Angular Variables / Today: Torque and Angular Variables / Presentation “Skidding Hula-Hoop” / Upcoming presenters please see me / HW “Equilibrium” Due Friday 11/9 / Holiday Monday!!! No Lab Next Week!!! / HW “???” Due Wednesday 11/14

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For Translation we have: Displacement, x (distance moved) Instantaneous Velocity, v (at a particular time) Average Velocity, v ave (average over time) Change in Velocity, v (speeding up or slowing down) Acceleration, a (how much the velocity changes each second)
For Rotation we have: Displacement, ∆ θ (angular distance moved) Instantaneous Angular Velocity, ϖ (at a particular time) Average Angular Velocity, ϖ ave (time average) Change in Angular Velocity, ∆ ϖ (speeding up or slowing down) Angular Acceleration, α (how much the angular velocity changes each second)

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Rotation vectors: right hand rule clockwise, counterclockwise into page = clockwise Thumb gives direction, only two choices, always parallel to the axis.
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11_08_Torque_2 - 11/7 Torque Angular Variables Today Torque...

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