In mechanics of materials, Hooke's law is the relationship that connects stresses to strains. Although Hooke's original law was developed for uniaxial stresses, you can use a generalized version of Hooke's law to connect stress and strain in three-dimensional objects, as well. Eventually, Hooke's law helps you relate stresses (which are based on loads) to strains (which are based on deformations).

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Machining was the basis by which the first industrial revolution began, and is just as important a factor to the fourth industrial revolution currently underway. Without machined parts, there'd be no cars or airplanes for a quick trip to visit Aunt Mary. There'd be no cappuccino machines, no Large Hadron Collider, no late-night talk shows, no replacements for your tired knee and hip joints.

Students and professional engineers in the mechanical sciences know that mechanics of materials deals extensively with stress on objects — from determining stress at a particular point to finding stresses in columns. Knowing how to apply some important laws and graphic representations can help you tackle stressful mechanics of materials problems with ease.

Welders of all skill levels should strive to improve their welding techniques and eliminate common weld flaws. A perfect weld every time is a lofty goal, but there are simple steps you can take and preparations you can make that will keep you from ending up with the kind of welds that need to be repaired or completely redone.

Signals and systems is an aspect of electrical engineering that applies mathematical concepts to the creation of product design, such as cell phones and automobile cruise control systems. Absorbing the core concepts of signals and systems requires a firm grasp on their properties and classifications; a solid knowledge of algebra, trigonometry, complex arithmetic, calculus of one variable; and familiarity with linear constant coefficient (LCC) differential equations.

As with any branch of physics, solving statics problems requires you to remember all sorts of calculations, diagrams, and formulas. The key to statics success, then, is keeping your shear and moment diagrams straight from your free-body diagrams and knowing the differences among the calculations for moments, centroids, vectors, and pressures.

Programming interviews can be intimidating. Luckily for you, there are plenty of great websites for information not just about how to solve a wide variety of programming puzzles but also about how to find jobs and even get your résumé and cover letter written by certified professionals.It was hard to select only ten websites to recommend the job-seeking programmer, but these ten sites will give you the tools and information you need to succeed in your next programming interview.