Gravity Holds Solar System
Middle School Science · Flashcards · Recall
MIDDLE SCHOOL SCIENCE · FLASHCARDS
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QUESTION
Which model relationship is correct: if orbital distance increases, the orbital period increases or decreases?
QUESTION
What does the constant
G
G
G
represent in the model equation
F
=
G
m
1
m
2
r
2
F = G\frac{m_1m_2}{r^2}
F
=
G
r
2
m
1
m
2
?
QUESTION
What happens to a planet's orbit if the Sun's gravity suddenly disappeared?
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ANSWER
It would move in a straight line tangent to its orbit. Newton's first law: objects continue in straight lines without force.
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