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| 1 |  |  What is meant by inertia? |
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| 2 |  |  What does Newton’s first law of motion tell you about the difference between motion in a straight line and motion along a curve? |
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| 3 |  |  What is Newton’s law of gravity? |
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| 4 |  |  How does mass differ from weight? |
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| 5 |  |  If your mass is 70 kilograms on Earth, what is it on the Moon? |
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| 6 |  |  If you weigh 110 pounds on the Earth, do you weigh 110 pounds on the Moon? Why? |
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| 7 |  |  What does surface gravity measure? |
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| 8 |  |  What is meant by escape velocity? |
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