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explain why the position vector is useful in physics.
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the position vector is a useful tool in physics because it can be used to represent the displacement of a point in space. in addition, it can be used to quantify the motion of particles along a given path. the position vector also helps physicists to describe rotations and describe the motion of a system with respect to a reference frame. furthermore, it can be used to calculate the torque and angular momentum of a body and determine the center of a mass. all these benefits of the position vector makes it an indispensable tool for physicists.
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