Describir: Simplified mechanica and strength of materials

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  ____      / _ \\   /  ___||   / _ \\   |  _ \\    / _ \\  | \  / || 
 |    \\   / //\ \\ | // __    / //\ \\  | |_| ||  | / \ || |  \/  || 
 | [] ||  |  ___  ||| \\_\ || |  ___  || | .  //   | \_/ || | .  . || 
 |  __//  |_||  |_|| \____//  |_||  |_|| |_|\_\\    \___//  |_|\/|_|| 
 |_|`-`   `-`   `-`   `---`   `-`   `-`  `-` --`    `---`   `-`  `-`  
 `-`                                                                  
 _    _   
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