While I understand that mass is the amount of matter in something and that weight refers to the gravitational pull, I find it confusing that we use the terms mass and weight interchangeably. It seems like when we measure with a spring scale, we are measuring weight because the spring is pulling down towards the ground. This works similarly with old fashioned bathroom scales (not digital) when we step on the scale and it pushes down to move the arrow to our weight. If this is true, then when we use a balance scale are we measuring mass?
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Received on Mon Jun 11 13:57:30 2007