Rotational Motion (Dynamics)¶
Rotational motion is the movement of an object that leaves at least one point unchanged (in a particular frame of reference). In 3 dimensions, a solid body rotates around a line called the axis of rotation.
Also see Rotational Motion (Kinematics).
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Contents:
- Angular momentum is position cross linear momentum
- Angular momentum is rotational inertia times angular speed
- Kinetic energy from rotational inertia and angular speed
- Kinetic energy via angular momentum and angular velocity
- Rotational work is torque times angular distance
- Torque is angular momentum derivative
- Torque of twisting force
- Torque via force and radial distance
- Torque via rotational inertia and angular acceleration