Because g varies so little over the extent of most structures, any structure's center of gravity effectively coincides with its center of mass. Here is a fictitious example where g varies more significantly. Figure shows an array of six particles, each with mass m, fixed to the edge of a rigid structure of negligible mass. The distance between adjacent particles along the edge is 2.00 m. The following table gives the value of g (m/s2) at each particle's location. Using the coordinate system shown, find

(a) The x coordinate xcog and

(b) The y coordinates ycog of the center of mass of the six-particle system. Then find

(c) The x coordinate xcog and

(d) The y coordinates ycog of the center of gravity of the six particle system.

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