If an astronaut takes an object to the moon which of the...

If an astronaut takes an object to the moon. Which of the following statements is true? Group of answer choices the weight will change but the mass will be the same. the mass will change but the weight will be the same. both the mass and the weight of the object will change. both the mass and the weight of the object will be the same.

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00:01 Okay, so we've got a question about mass versus weight.

00:05 And let's just give some background on this before we answer the question.

00:10 So mass is a measure of inertia.

00:14 Measures inertia.

00:16 And inertia is basically telling you how easy or difficult it is to accelerate something.

00:22 So it has a lot of inertia, it's difficult to speed it up or slow it down.

00:26 If it has a small amount of inertia, then it is easy to speed it up or slow it down.

00:31 You can think of like a bowling ball as having a lot of inertia versus a baseball having a smaller amount of inertia.

00:38 Weight measures force.

00:44 And a force is a pull or a push or a pole.

00:49 At least that's a good definition for our purposes for this question.

00:54 Mass is measured in kilograms.

00:57 So the units are kilograms.

01:01 And for weights, the units are newtons or pounds.

01:06 Most likely you're going to use newton's for most problems in physics because that is the metric unit.

01:13 Okay, and then lastly, you know, how do you relate these two? so weight, we have an equation where weight is equal to the mass times g, and g is the gravitational constant of 9 .8 newtons per kilogram.

01:31 Okay, now this is specifically for earth...

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