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Tension Force Discussion

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TENSION FORCE Hi, it’s Aubrey and today, we will discuss tension. In physics, tension is can be defined as a pulling force applied by a string or chain on another body or load. Problem: A rope 26 ft long is attached to two points A and B, 20 ft apart at the same level. A load of 250 lb is carried at the middle of the rope. What force is exerted on A? 20 ft A B TF =? 13 ft 13 ft 250 lbs. The first thing that we’re going to do is determine the angles of the rope. To do this, we must use the following formulas: Let 𝛼 be the angle at point A. 𝛼 = arccos ( 𝑏 2 + 𝑐 2 βˆ’ π‘Ž2 ) 2𝑏𝑐 𝛽 = arccos ( π‘Ž2 + 𝑐 2 βˆ’ 𝑏 2 ) 2π‘Žπ‘ Let 𝛽 be the angle at point B. Let πœƒ be the angle at the middle of the rope. πœƒ = arccos ( π‘Ž2 + 𝑏 2 βˆ’ 𝑐 2 ) 2π‘Žπ‘ The answers for the angles will be: 𝛼 = arccos ( 𝑏 2 + 𝑐 2 βˆ’ π‘Ž2 (13𝑓𝑑) ...
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