Four bricks arc to be stacked at the edge of a table, each
Chapter 9, Problem 37(choose chapter or problem)
Four bricks arc to be stacked at the edge of a table, each brick overhanging the one below it, so that the top brick extends as far as possible beyond the edge of the table,(a)To achieve this, show that successive bricks must extend no more than (starting at the top)3. Jand of their length beyond the one below (Fig. 9-67a). (b) Is the top brick completely beyond the base? (c) Determine a general formula for the maximum total distance spanned bynbricks if they are to remain stable, (d) A builder wants to construct a corbeled arch (Fig. 9-67b) based on the principle of stability discussed in(a)and (c) above. What minimum number of bricks, each 0.30 m long, is needed if the arch is to span 1.0 m?
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