In the rope access industry everything is rated in kn of force. We can directly equate this to 100 kg when looking at working load limits on the slings in which we use to hang off of. Everyone always says you don’t need to know why, you just need to know that it does. I would like a simple way of explaining it to the new people coming into my industry.
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Kilogram is a measure of mass, not weight. Newton is a measure of force. Weight is the term used for the force of gravity acting on a mass. The weight of 100kg of mass in earth’s gravity is approximately 1000N or 1kN. (Approximate because it is probably closer to 980N)
For simplicity’s sake, it is usual to simply take the mass in kg and multiply by 10 to get the weight. I’d guess that this is important in any situation where something needs to oppose the weight (like carrying or supporting it)
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