For the raft and platform shown in Figs. 5.27 and 5.28 and described in Problems 5.31 and...

For the raft and platform shown in Figs. 5.27 and 5.28 and described in Problems 5.31 and 5.32, what extra weight will cause all the drums and the platform itself to be submerged? Assume that no air is trapped beneath the platform.

FIGURE 5.27 Problems

FIGURE 5.28 Raft construction for Problems