ch12-p047 - 47. (a) Since the brick is now horizontal and...

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47. (a) Since the brick is now horizontal and the cylinders were initially the same length A , then both have been compressed an equal amount Δ A . Thus, ΔΔ A A A A == FA AE F AA B BB and which leads to F F A B = () . 22 4 When we combine this ratio with the equation F A + F B = W , we find
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