AnswersDISD CR Physics 2020-2021Universal Law of Gravitation

Universal Law of Gravitation Answers

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The universal law of gravitation states that the force of attraction between two objects depends on which quantities?

A
the masses of the objects and their densities
B
the distance between the objects and their shapes
C
the densities of the objects and their shapes
D
the masses of the objects and the distance between them
3

A probe orbiting Venus exerts a gravitational force of 2.58 × 103 N on Venus. Venus has a mass of 4.87 × 1024 kg. The mass of the probe is 655 kilograms. The gravitational constant is 6.67 × 10-11 N*m2/kg2.To three significant digits, the probe is × 106 m from the center of Venus.

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8

The acceleration due to gravity on Jupiter is 23.1 m/s2, which is about twice the acceleration due to gravity on Neptune.

A
An object weighs about one-fourth as much on Jupiter as on Neptune.
B
An object weighs about one-half as much on Jupiter as on Neptune.
C
An object weighs about two times as much on Jupiter as on Neptune.
D
An object weighs about four times as much on Jupiter as on Neptune.
10

Which changes would result in a decrease in the gravitational force between two objects? Check all that apply.increasing the distance between the objectsdecreasing the distance between the objectsincreasing the mass of one of the objectsincreasing the mass of both objectsdecreasing the mass of one of the objectsdecreasing the mass of both objects

A
increasing the distance between the objects
B
decreasing the distance between the objects
C
increasing the mass of one of the objects
D
increasing the mass of both objects
E
decreasing the mass of one of the objects
F
decreasing the mass of both objects

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