# Fundamentals of Physics Study Set 2

Physics & Astronomy

## Quiz 13 : Gravitation Study Flashcards  Looking for Introductory Physics Homework Help?

## Quiz 13 :Gravitation

Question Type  Let M denote the mass of Earth and let R denote its radius.The ratio g/G at Earth's surface is:
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B

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Choose question tag  The mass of a hypothetical planet is 1/100 that of Earth and its radius is 1/4 that of Earth.If a person weighs 600 N on Earth, what would he weigh on this planet?
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C

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Choose question tag  In the formula F = Gm1m2/r2, the quantity G:
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D

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Choose question tag  An astronaut finishes some work on the outside of his satellite, which is in circular orbit around the Earth.He leaves his wrench outside the satellite.If there is no air resistance, the wrench will:
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Choose question tag  The mass of an object:
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Choose question tag  Four particles, each with mass m, are arranged symmetrically about the origin on the x axis.A fifth particle, with mass M, is on the y axis.The direction of the gravitational force on M is: Multiple Choice
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Choose question tag  An artificial satellite of the Earth releases a bomb.Neglecting air resistance, the bomb will:
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Choose question tag  If Earth were to rotate only 100 times per year about its axis:
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Choose question tag  Earth exerts a gravitational force on the Moon, keeping it in its orbit.The reaction to this force, in the sense of Newton's third law, is:
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Choose question tag  Suppose you have a pendulum clock which keeps correct time on Earth (acceleration due to gravity = 9.8 m/s2).Without changing the clock, you take it to the Moon (acceleration due to gravity = 1.6 m/s2).For every hour interval (on Earth)the Moon clock will record:
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Choose question tag  Let F1 be the magnitude of the gravitational force exerted on the Sun by Earth and F2 be the magnitude of the force exerted on Earth by the Sun.Then:
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Choose question tag  The magnitude of the acceleration of a planet in orbit around the Sun is proportional to:
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Choose question tag  An astronaut on the Moon simultaneously drops a feather and a hammer.The fact that they land together shows that:
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Choose question tag  The gravitational constant G has the derived units
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Choose question tag  An object at the surface of Earth (at a distance R from the center of Earth)weighs 90 N.Its weight at a distance 3R from the center of Earth is:
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Choose question tag  Suitable units for the gravitational constant G are:
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Choose question tag  Mars has a mass of about 0.1075 times the mass of Earth and a diameter of about 0.533 times the diameter of Earth.The acceleration of a body falling near the surface of Mars is about:
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Choose question tag  An object is raised from the surface of Earth to a height of two Earth radii above Earth.Then:
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Choose question tag  The approximate value of g at an altitude above Earth equal to one Earth diameter is:
Multiple Choice  Three particles, two with mass m and one mass M, might be arranged in any of the four configurations known below.Rank the configurations according to the magnitude of the gravitational force on M, least to greatest.  