What percentage of strength is derived from the kern in kernmantle rope?

The correct answer is based on the structural design of kernmantle rope, which consists of a protective outer sheath (the mantle) and an inner core (the kern). The kern is responsible for providing most of the rope's strength. In typical kernmantle ropes, approximately 80% of the rope's overall strength is attributed to the kern. This design effectively allows the kern to absorb tensile loads, while the mantle offers protection from abrasion and environmental damage.

Understanding the distribution of strength in kernmantle rope is critical for applications in climbing, rescue operations, and other scenarios where safety is paramount. When choosing or utilizing this type of rope, it's important to recognize that the kern's integrity directly impacts performance and safety.