Which of the following best describes the centroid a The cen
     Which of the following best describes the centroid.  (a) The centroid is the average position of a shape, or a distribution of shapes, such as lines, areas, or volumes, but not combinations of these.  (b) The centroid is the average position of a shape, or a distribution of shapes, such as lines, areas, or volumes, including combinations of these.  (c) The centroid is the average position of a distribution of mass.  (d) The cetroid is the average position of a distribution of weight due to gravity.   
  
  Solution
ans. _ (a)

