The rate of change of the angular velocity with time, or the second derivative of the angular position with respect to time. For systems rotating about a single axis with a fixed moment of inertia about that axis, the angular acceleration is directly proportional to the net torque acting on the system. Although it is a vector quantity, having both direction and magnitude, we will consider only cases where α is parallel to omega. It is usually represented by the small Greek letter alpha, α.
Unknown macro: {latex}
\begin
Unknown macro: {large}
[ \vec
Unknown macro: {alpha}
= \frac{d{\vec
Unknown macro: {omega}
}}
Unknown macro: {dt}
= \frac{d^
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{\vec
Unknown macro: {theta}
}}
Unknown macro: {dt^2}
] \end