Solve Statics Problems

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Deepavali Festival Essay In Tamil - Solve Statics Problems

That is, all horizontal components must add to 0 Newton and all vertical components must add to 0 Newton.The leftward pull of cable A must balance the rightward pull of cable B and the sum of the upward pull of cable A and cable B must balance the weight of the sign.Suppose the tension in both of the cables is measured to be 50 N and that the angle that each cable makes with the horizontal is known to be 30 degrees. This question can be answered by conducting a force analysis using trigonometric functions.If the sign is known to have a mass of 5 kg and if the angle between the two cables is 100 degrees, then the tension in the cable can be determined.Assuming that the sign is at equilibrium (a good assumption if it is remaining at rest), the two cables must supply enough upward force to balance the downward force of gravity.The weight of the sign is equal to the sum of the upward components of the tension in the two cables.Thus, a trigonometric function can be used to determine this vertical component. Since each cable pulls upwards with a force of 25 N, the total upward pull of the sign is 50 N. The idea is that the tension, the angle, and the weight are related.The principle is that as the angle with the horizontal increases, the amount of tensional force required to hold the sign at equilibrium decreases.To illustrate this, consider a 10-Newton picture held by three different wire orientations as shown in the diagrams below.The most common application involves the analysis of the forces acting upon a sign that is at rest.For example, consider the picture at the right that hangs on a wall.


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