What is the best type of rope to resist dynamic load?

Nylon rope is the best choice for resisting dynamic loads due to its superior strength and elasticity. Dynamic loads involve forces that change over time, such as those seen in applications like climbing, rescue, or lifting. Nylon has high tensile strength, which allows it to absorb shock effectively when under strain. This characteristics helps to prevent sudden breaks or failures during high-stress situations.

The elasticity of nylon also means that it can stretch under load, which is crucial when the load is moving or changing suddenly. This stretch capability allows nylon to absorb energy and reduce the risks associated with dynamic forces, providing a safer option compared to other materials.

Other types of rope might lack this combination of strength and elasticity, making them less suitable for situations involving fluctuating loads. For example, cotton rope, while it may have acceptable strength in static conditions, does not perform well under dynamic loads due to its lower elasticity. Polypropylene is lightweight and floats, but it does not have the same strength and durability as nylon. Jute, being a natural fiber, is not as strong or resistant to moisture and wear compared to nylon. Thus, nylon is clearly advantageous for applications requiring resistance to dynamic loads.