8. Centripetal Forces & Gravitation

Newton's Law of Gravity

Multiple Choice
According to Newton's Law of Gravity, what is the primary effect as gravity pulls water down a slope? $F = \frac{G m_1 m_2}{r^{2}}$
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Multiple Choice
According to Newton's law of universal gravitation, the magnitude of the gravitational force between two point masses depends on which two factors?
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Multiple Choice
According to Newton's Law of Gravity, what is the only force that acts on an object in free fall near the Earth's surface (neglecting air resistance)?
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Multiple Choice
According to Newton's Law of Gravity, which change will always result in an increase in the gravitational force between two objects?
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Multiple Choice
According to Newton's Law of Gravity, how does increasing the distance between two objects affect the gravitational force between them?
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Multiple Choice
Why do the planets move in fixed orbits around the Sun according to $N e w t o n ’ s$ Law of Gravity?
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Multiple Choice
In the context of Newton's law of gravity, which quantity is defined as a measure of the force of gravity on an object near a planet's surface?
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Multiple Choice
Which of the following are possible orbital paths for an object moving under $N e w t o n ’ s L a w o f G r a v i t y$ ?
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Multiple Choice
According to Newton's law of universal gravitation, the magnitude of the gravitational force between two point masses is $F = G \frac{m_{1} m_{2}}{r^{2}}$ . Which variables determine the value of $F$ (assuming $G$ is constant)?
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Multiple Choice
Which of the following is a major difference between $e l e c t r i c a l$ and $g r a v i t a t i o n a l$ forces?
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Multiple Choice
A woman has a weight of $500 N$ while standing on Earth's surface. What is the magnitude of the gravitational force acting on her?
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Multiple Choice
Which statement best explains why objects are pulled toward Earth's center according to $N e w t o n ’ s L a w o f G r a v i t y$ ?
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Multiple Choice
According to Newton's Law of Gravity, how does the gravitational force between two objects change as the distance between them increases?
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Multiple Choice
According to Newton's Law of Gravity, how do the masses of two objects and the distance between them affect the gravitational force they exert on each other?
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Multiple Choice
If Earth did not spin on its axis but still revolved around the Sun, which of the following would be a direct consequence according to $N e w t o n ’ s$ Law of Gravity and classical mechanics?
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