What does 'moderate elongation' in life-saving rope indicate?

Moderate elongation in life-saving rope signifies that the rope has a balance between giving enough stretch to absorb some force during dynamic activities, while not stretching excessively, which could compromise safety. This characteristic is particularly important in rescue scenarios where the rope needs to absorb the kinetic energy of falling loads to prevent shock loading on both the equipment and the person being rescued.

In comparison with static ropes, which exhibit minimal elongation, moderate elongation ropes provide a degree of elasticity that is beneficial in mitigating forces during a rescue. For instance, if a person were to fall or if a sudden load were to occur, ropes with moderate elongation help in reducing the impact forces experienced by the individual and the system.

Therefore, the statement regarding greater elongation compared to static ropes accurately reflects the nature of moderate elongation and its practical benefits in life-saving applications, aligning with the requirements for effective rescue techniques.