Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 12 - Exercises and Problems: 52



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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