AnswersDISD CR Physics 2020-2021Universal Law of Gravitation

Universal Law of Gravitation Answers

0 verified answers1 views
1
Free Preview

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

A
m1
B
m2
C
G
D
d
2
Free Preview

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
3

The gravitational force between two objects is 2000 N. The mass of each object is reduced to one-third of its original mass.

A
The distance must be one-ninth the original distance.
B
The distance must be one-third the original distance.
C
The distance must be three times greater.
D
The distance must be nine times greater.
4

A baseball has a mass of 0.145 kilograms, and a bowling ball has a mass of 6.8 kilograms. What is the gravitational force between them if their centers are 0.5 m apart?

A
1.0 × 10–13 N
B
1.3 × 10–10 N
C
2.6 × 10–10 N
D
1.1 × 10–8 N
5

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
6

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.
8

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.
9

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

Did you find these answers helpful?

More from this Course

Quiz
10 verified answers

Universal Law of Gravitation

Quiz
8 verified answers

Universal Law of Gravitation

Quiz
7 verified answers

Lesson 3: Universal Law of Gravitation