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# The jaws-of-life device is utilized by rescuers to pry apart wreckage, thus helping to

ISBN: 9781118807330 401

## Solution for problem 4/102 Chapter 4/6

Engineering Mechanics: Statics | 8th Edition

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Engineering Mechanics: Statics | 8th Edition

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Problem 4/102

The jaws-of-life device is utilized by rescuers to pry apart wreckage, thus helping to free accident victims. If a pressure of 500 lb/in.2 is developed behind the piston P of area 20 in.2 , determine the vertical force R which is exerted by the jaw tips on the wreckage for the position shown. Note that link AB and its counterpart are both horizontal in the fi gure for this position.

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BE 1500 – Fall 2016 Quiz 5 1. Write a script that produces the following output. The script should iterate from 1 to 9 to produce the expressions on the left, perform the operation to get the results shown on the right, and print the output below. Your code needs to use either str2num or num2str or both and must utilize at least one loop. 1 x 8 + 1 = 9 12 x 8 + 2 = 98 123 x 8 + 3 = 987 1234 x 8 + 4 = 9876 12345 x 8 + 5 = 98765 123456 x 8 + 6 = 987654 1234567 x 8 + 7 = 9876543 12345678 x 8 + 8 = 98765432 123456789 x 8 + 8 = 987654321 k='123456789';%Initialize my string m=length(k);%Define my stopping point for i=1:m %Loop through the string l=str2n

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