In sling load charts, what is the angle between the top of the load and the sling leg referred to as?

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Multiple Choice

In sling load charts, what is the angle between the top of the load and the sling leg referred to as?

Explanation:
In sling load charts the angle of interest is how far the sling leg tilts away from the horizontal plane of the load’s top. Since the top surface is level (horizontal), the angle between the leg and that top surface is described relative to horizontal. That’s why the term used is horizontal. This angle is important because as the sling leg moves away from horizontal, the effective load on each leg changes, affecting the safe lifting rating. The other terms don’t fit the standard reference orientation used in these charts, which is the leg’s angle relative to the horizontal.

In sling load charts the angle of interest is how far the sling leg tilts away from the horizontal plane of the load’s top. Since the top surface is level (horizontal), the angle between the leg and that top surface is described relative to horizontal. That’s why the term used is horizontal. This angle is important because as the sling leg moves away from horizontal, the effective load on each leg changes, affecting the safe lifting rating. The other terms don’t fit the standard reference orientation used in these charts, which is the leg’s angle relative to the horizontal.

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