8. Centripetal Forces & Gravitation

Newton's Law of Gravity

Multiple Choice
A car of mass $m$ travels over the top of a hill with radius of curvature $r$ . What is the maximum speed $v$ the car can have at the top of the hill without losing contact with the road (i.e., without flying off)?
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Multiple Choice
In Newton's law of universal gravitation, how does the magnitude of the gravitational force between two point masses change when the distance between them is doubled (masses unchanged)?
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Multiple Choice
The acceleration due to gravity on the Moon's surface is about one-sixth that on Earth. Given that the radius of the Moon is roughly one-quarter that of the Earth, what is the mass of the Moon in terms of the mass of the Earth?
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Multiple Choice
In Newton's law of universal gravitation, how does the gravitational force depend on the sizes (masses) of two objects separated by a distance $r$ ?
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Multiple Choice
According to Newton's Law of Gravity, into which of the following stable force fields can a proton be placed at rest without experiencing a force?
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Multiple Choice
Why is it important to use a scale model when describing the solar system?
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Multiple Choice
According to Newton's Law of Gravity, which of the following changes would increase the gravitational force between two objects? $F = \frac{G m_{1} m_{2}}{r^{2}}$
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Multiple Choice
In Newton's law of universal gravitation, if the distance between two point masses is doubled while the masses remain the same, how does the gravitational force change?
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Multiple Choice
According to Newton's Law of Gravity, how does increasing the mass of one of two objects affect the gravitational force between them? $F = \frac{G}{r} m_{1} m_{2}$
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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 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, the magnitude of the gravitational force between two objects depends on which of the following factors? $F = \frac{G m_{1} m_{2}}{r^{2}}$
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Multiple Choice
According to Newton's law of universal gravitation, which of the following statements is true?
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Multiple Choice
According to Newton's Law of Gravity, what happens to the gravitational force between two masses as the distance between them decreases?
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Multiple Choice
How many kilometers above the Earth's surface must you travel for your weight to decrease to 49% of its value at the surface, according to Newton's Law of Gravity?
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