Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson

Chapter 12 - Exercises and Problems - Page 218: 52

.167L

Work Step by Step

We know that the center of mass of the overall system must be, at most, right over the edge of the table, or the entire set of books will fall. Thus, we call x the distance the last book hangs over the table to find: $3x = .25L+x+.5L-.25L-x\\ 3x = .5 \\ x=.167L$

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