It's tough being a parent. Sometimes I try to help my kids with their physics homework because I like to pretend that I'm sort of OK with physics. Recently, my daughter wanted me to check her answer for this question. Where do you weigh more, at the equator or at the North Pole? Oh boy. I'm not sure what answer to give. OK, I think I know the answer and I also think I know the answer that the teacher wants (and these two answers might not be the same). Really, it's not the best question.

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