Final answer:
The border rope for the safety net webbing should have a specified minimum breaking strength to ensure safety. Stretch and strength characteristics, such as a nylon rope's reasonable stretch and its force constant, are important for the safety and functionality of climbing equipment.
Step-by-step explanation:
The border rope for the safety net webbing should have a minimum breaking strength that is specified. This relates to the field of engineering within physics as it involves the characteristics of materials under stress. The breaking strength is a critical parameter to ensure safety and should be detailed by the manufacturer or set by industry standards.
When considering the stretching of a nylon climbing rope, the amount of stretch should be reasonable and in line with the characteristics of nylon, which is not overly elastic. For example, a calculation may reveal that a nylon rope stretches by 9 cm under a particular load, which might be reasonable for nylon. However, if the same rope were made of bungee material, one would expect it to stretch significantly more due to the higher elasticity of bungee cords.
The strength and stretch characteristics are important when determining the force constant of the rope and how it behaves under various loads. This knowledge is applied when considering the safety of climbers using the rope. For instance, understanding how much a rope stretches under certain conditions, such as when breaking a climber's fall, is crucial for preventing accidents.