At what horizontal sling angle does the tension in each leg of a 2-leg bridle equal the weight of the load?

Prepare for the EICA Mobile Crane and Digger Test with expert-crafted flashcards and multiple choice questions. With hints and detailed explanations, you're set to excel in your certification exam.

When working with a 2-leg bridle sling configuration, the horizontal sling angle significantly affects the distribution of weight and tension within the slings. The key to understanding this is recognizing that as the angle changes, the tension in each leg of the sling also changes.

At a horizontal sling angle of 30 degrees, the forces reach a balance where the tension in each leg is equal to the weight of the load. This relationship can be derived using trigonometric principles. The vertical component of the tension must equal the weight of the load, while the total tension in the sling is affected by the angle.

At 30 degrees, each leg of the sling can effectively support half the weight of the load, due to the geometry of the triangle formed by the sling legs and the vertical load. If the angle was any more acute (like 15 degrees), the tension would significantly increase in the leg because the vertical component would still need to support the entire load weight, which would not equalize the tension in both legs. Conversely, if the angle were increased to 45 degrees or more, the tension would also change, resulting in a greater force required to maintain stability.

Thus, the 30-degree angle is critical because it represents the point at which

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