AnswersCrowley Credit Recovery Physics AUniversal Law of Gravitation

Universal Law of Gravitation Answers

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How is the gravitational force related to the distance between two objects?

A
It is directly proportional to the square of the distance.
B
It is inversely proportional to the square of the distance.
C
It is directly proportional to the distance.
D
It is inversely proportional to the distance.
2
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Review the table detailing the mass of Jupiter’s moons and their distance from the planet.

Question illustration
A
Io
B
Europa
C
Ganymede
D
Callisto
3

In the equation for the gravitational force between two objects, which quantity must be squared?

A
m1
B
m2
C
G
D
d
4

[BLANK]

A
2.86
B
3.24
C
4.16
D
5.44
5

Which changes would result in a decrease in the gravitational force between two objects? Check all that apply.

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
6

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.
7

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
8

The gravitational force between a satellite and Earth’s moon is 324 N. The mass of the moon is 7.3 × 1022 kg.

A
1.7 × 10–4 kg
B
2.2 × 10–3 kg
C
230 kg
D
450 kg
10

Neptune has a mass that is about 17 times the mass of Earth. The distance between the Sun and Neptune is about 30.1 times the distance between the Sun and Earth.If the gravitational force between the Sun and Earth is 3.5 x 1028 N, which is closest to the force between Neptune and the Sun?

A
6 x N
Option A
B
6 x N
Option B
C
6 x N
Option C
D
6 x N
Option D
11

What is the downward pull on an object due to gravity?

A
mass
B
weight
C
acceleration
D
velocity
12

The gravitational force between two objects is 3600 N. What will be the gravitational force between the objects if the mass of each object is reduced to one-third of its original mass?

A
400 N
B
1200 N
C
10,800 N
D
32,400 N
13

Which are the effects of gravity on objects on the surface of Earth? Select 2 options.

A
Objects “fall” toward the center of Earth.
B
Objects are pulled by Earth but do not pull on Earth.
C
Objects accelerate at a rate of 9.8 m/s each second.
D
Objects travel at a rate of 9.8 m/s toward the center of Earth.
E
Objects pull on the Earth is much stronger than the Earth’s pull on the object.

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