Snow, Benjamin Warner, 1860- · Madison, Wis. · leaf 170
s a vector quantity, andmust consider this rotation as resolved into two components,one about a vertical axisthrough the point chosen, andthe other about an axis atright angles to the first.Thus, in Fig. 99, if .V.S rep-resents the axis of the earth,and M the point on the sur-face at which the… … 166 THE PENDULUM. be resolved into two component rotations, one OR abouta vertical axis at M, and the other OS about an axis atP, the former of these, or OB, being the only component of theearths rotation that affects the pendulum at i¥. If cf> repre-sents the latitude of 31, it is seen that OB…
Physics
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