Eli5: Method for loading bags onto planes

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Why do the loaders specifically angle (typically at 45°) the bags and suitcases going up the ramp?

In: Physics

If I’m reading you right, you’re asking why baggage conveyors are at that specific angle?

Short answer is after years of testing and data collecting, manufacturers determined that angle delivered the best results for the smallest space taken. Baggage can be flat cuboids, cylinders, hard case, soft case, etc. You need an angle that will lower the chances of things rolling but not take up too big of a footprint.