The maximum safe load for ahorizontal rectangular beam varies jointly with thewidth of the beam and the square of the thickness ofthe beam and inversely with its length. If an 8-foot beamwill support up to 750 pounds when the beam is 4 incheswide and 2 inches thick, what is the maximum safe loadin a similar beam 10 feet long, 6 inches wide, and 2 inchesthick?
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
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Profit and Loss
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Units and Measurements
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The maximum safe load for a
horizontal rectangular beam varies jointly with the
width of the beam and the square of the thickness of
the beam and inversely with its length. If an 8-foot beam
will support up to 750 pounds when the beam is 4 inches
wide and 2 inches thick, what is the maximum safe load
in a similar beam 10 feet long, 6 inches wide, and 2 inches
thick?
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