If a beam can hold 2,000 pounds at 15 feet, what is the safe load if the length of the beam is 10 feet?
2 answers:
Let's see how many pounds can a one foot I-beam handle. If a 15 feet I-beam can handle 2000 pounds, then a one foot I-beam can handle 1/15 of that weight.
2000 *
= 133 1/3
So, for every extra foot, it can handle an additional 133 1/3 pounds.
Now we want to find out how many pounds a 10 feet I-beam can handle.
10 *
= 4000/3 or 1333 1/3 pounds
So, a 10 feet I-beam can handle 1333 1/3 pounds.
2000 *
So, for every extra foot, it can handle an additional 133 1/3 pounds.
Now we want to find out how many pounds a 10 feet I-beam can handle.
10 *
So, a 10 feet I-beam can handle 1333 1/3 pounds.
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