I understand that F=ma, mass is in kilograms and acceleration is metres per second squared so Newtons are just kilograms metres per second squared, but what does that mean? I can’t seem to comprehend it/really understand it intuitively. Why are we adding kilograms, metres per second squared times (or vice-versa)? I understand stuff with division, like density, because it makes sense, like with density, you’re dividing the mass over the volume occupied to see how many kilograms you have per cubic metre of the substance in question, so kg/m^3 , but I seem to have trouble understanding the multiplied quantities, like Newtons.
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You can think of it a few different ways. The way I find most helpful is to think of it as (kg * m/s) / s, in which case it’s the rate at which momentum (which is mass times velocity, units of kg m/s) is changing per second.
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