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By possessing an understanding of Newtons Laws, following these three laws of graphical solutions, and understanding vector algebra you can solve most engineering static problems. Systems of Force Systems of force acting on objects in equilibrium can be classified as either concurrent or nonconcurrent and as either coplanar or non coplanar. This gives us four general categories of systems. The first category, concurrent-coplanar forces occur when the lines of action of all forces lie in the same plane and pass through a common point.
Figure 1 illustrates a concurrent-coplanar force in such that F 1, F 2, and W all lie in the same plane (the paper) and all their lines of action have point O in common. To determine the resultant of concurrent force systems, you can use the Pythagorean theorem, the law of sines, or the law of cosines as outlined in the previous chapter. Nonconcurrent-coplanar force is when the lines of action of all forces lie in the same plane but do not pass through a common point as illustrated in figure 2. The magnitude and direction of the resultant force can be determined by the rectangular component method using the first two equations in figure 2, and the perpendicular distance of the line of action of R from the axis of rotation of the body can be found using the third equation in figure 2. Concurrent-non coplanar forces are when Application the lines of action of all forces pass through a common point and are not in the same plane.
To find the resultant of these forces it is best to resolve each force into components along three axes that make angles of 90 degrees with each other. Nonconcurrent-non coplanar forces are when the lines of action of all forces do not pass through a common point and the forces do not all lie in the same plane. Stress When a restrained body is subject to external forces, there is a tendency for the shape of the body.
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Research essay sample on Pass Through A Common Point Pass Through A Common Forces
