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AP Physics C - Quiz 9 Fixed-Axis Rotation
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AP Physics C - Quiz 9 Fixed-Axis Rotation
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AP Physics C - Quiz 9 Fixed-Axis Rotationangular acceleration, α- ✅time rate of change of angular velocity
angular position, θ-✅angle a body has rotated through in a fixed
coordinate system
✅time rate of change of angular position
angular velocity, ω-
instantaneous angular acceleration, α-✅derivative of angular velocity with
respect to time
instantaneous angular velocity, ω- ✅derivative of angular position with
respect to time
✅
kinematics of rotational motion- describes the relationships among
rotation angle, angular velocity, angular acceleration, and time
✅
lever arm, r⊥- perpendicular distance from the line that the force vector
lies on to a given axis
linear mass density, λ-✅the mass per unit length of a one-dimensional
object
✅
moment of inertia, I- rotational mass of rigid bodies that relates to how
easy or hard it will be to change the angular velocity of the rotating rigid
body
✅
Newton's second law for rotation- sum of the torques on a rotating
system equals its moment of inertia times its angular acceleration
✅
parallel axis- axis of rotation that is parallel to an axis about which the
moment of inertia of an object is known
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