Asimply supported 2024 aluminum beam is 3 ft long and loaded by 2 equal downward concentrated forces at the 1/3 points. the cross section is rectangular with a height of 4 inches and thickness of .5 inches. at the center of the beam a crack extends vertically 0.2" upwards from the bottom (all the way across the thickness). if the fracture toughness for this material is 20.9 ksi*in^(0.5), determine the magnitude of the applied forces necessary to cause the crack to extend

answer:

look in settings

explanation:

answer:

// here is code in C++.

#include <bits/stdc++.h>

using namespace std;

//main function

int main()

{

  // variable

 int n;

 cout<<"enter a number:";

 // read the input

 cin>>n;

 // find the square root of the absolute value

 float square_root=sqrt(abs(n));

 // print the square_root

 cout<<"square root of "<<n<<" is: "<<square_root<<endl;

  return 0;

}

Explanation:

Read a number from user and assign it to "n".Then find its absolute value with abs() function.Then calculate the square root of the absolute value with sqrt() function.Print the square root of the number.

Output:

enter a number:-17

square root of -17 is: 4.12311

                                                         This is easy

                                                     sinserly Natalie 7 grader (this is not that hard)

Eh but I don't want to

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Explanation:

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