| Homework #3 solutions |
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| • | Question
3 Newton concluded that some force |
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| had
to act on the moon because |
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| a.the
moon moved at a constant velocity. |
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| • | b.a
force is needed to pull the moon outward. |
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| • | c.a force is needed to pull the moon away from |
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| straight-line motion. |
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| • | d.a
force is needed to keep the moon in motion. |
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| • | e.all
of the above. |
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