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Physics 151: Lecture 26 Today’s Agenda - page 9 / 13

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Physics 151: Lecture 26, Pg 9

Example 7

Two identical uniform bricks of length L are placed in a stack over the edge of a horizontal surface with the maximum overhang possible without falling, as in Figure below. Find the distance x.

SOLUTION:

If the CM of the two bricks does not lie over the edge, then the bricks balance.

If the lower brick is placed L/4 over the edge, then the second brick may be placed so that its end protrudes 3L/4 over the edge.

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