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The description of the movement of bodies by their position, velocity, acceleration (and possibly higher time derivatives, such as, jerk) without concern for the underlying dynamics/forces/causes.
3
votes
What happens when a body is moving in a non-uniform circular motion?
When an object is moving in two or more dimensions, the tangential component of acceleration affects the speed while the perpendicular component changes the direction. If you start with something mov …
1
vote
Analytically proving that the yo-yo rolls to the right (angular kinematics)
You've sort of proven your own answer in the statement of the question. If it is moving, then the force to the right must be greater than friction. Since you assume it is rolling without slipping, i …