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The uniform rod $A B$ with a mass $m$ and a length of $2 L$ is attached to collars of negligible mass that slide without friction along fixed rods. If the rod is released from rest in the position shown, derive an expression for ( $a$ ) the angular acceleration of the rod, ( $b$ ) the reaction at $A$
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Physics 101 Mechanics
Plane Motion of Rigid Bodies: Forces and Accelerations
Constrained Plane Motion
Motion Along a Straight Line
University of Washington
Simon Fraser University
In physics, kinematics is the description of the motion of objects and systems in the frame of reference defined by the observer. An observer has to be specified, otherwise the term is meaningless.
In mathematics, a position is a point in space. The concept is abstracted from physical space, in which a position is a location given by the coordinates of a point. In physics, the term is used to describe a family of quantities which describe the configuration of a physical system in a given state. The term is also used to describe the set of possible configurations of a system.
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