My science teacher is always saying the words "weight of an object" and "mass of an object," but then my physics book (that I read on my own) tells me completely different definitions from the way these words are used in my science class... so which is right?
What is the difference between the weight of an object and the mass of an object?
Answer
Weight is the force with which gravity pulls on a mass.
Maybe the simplest way to explain the difference is that on the Moon or on Mars, your weight is reduced because gravity is weaker there, but your mass is still the same.
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