Gravity

Question 1

Which are descriptions of gravity on Earth? Check all that apply.an attractive forcea repulsive forcea noncontact forcea contact forcea horizontal forcea vertical force

Revolt · Accepted Answer

an attractive force; a noncontact force; a vertical force

Question 2

On Earth, the mass of one of the lunar landing modules used to explore the moon was measured to be about 4,200 kg. The acceleration due to gravity on the moon is about one-sixth that of Earth.

Revolt · Accepted Answer

✔ 41,160; What is the lunar landing module’s weight on Earth? N: 41,160; What is the mass of the lunar landing module on the moon? kg: 4,200; The weight of the lunar landing module on the moon is its weight on Earth.: less than; The calculated weight of the lunar landing module on the moon is N.: 6,860

Question 3

700✔ 4,2006,860

Revolt · Accepted Answer

✔ 4,200

Question 4

✔ less thanthe same asmore than

Revolt · Accepted Answer

✔ less than

Question 5

4,200✔ 6,86034,440

Revolt · Accepted Answer

✔ 6,860

Question 6

Which factors affect the gravitational force between objects? Check all that apply.difference in speed of objectsdirection of movement of objectsdistance between objectsmasses of the objectsvolumes of the objects

Revolt · Accepted Answer

distance between objects; masses of the objects

Question 7

Suppose for an unexplained reason a star near Earth started shrinking. At what stage is the gravitational force between Earth and the star the greatest?

Revolt · Accepted Answer

Stage 1

Question 8

On Earth, the mass of one of the lunar landing modules used to explore the moon was measured to be about 4,200 kg. The acceleration due to gravity on the moon is about one-sixth that of Earth.

Revolt · Accepted Answer

What is the lunar landing module’s weight on Earth? N: 41,160; What is the mass of the lunar landing module on the moon? kg: 4,200; The weight of the lunar landing module on the moon is its weight on Earth.: less than; The calculated weight of the lunar landing module on the moon is N.: 6,860

Question 9

⇒ A

Revolt · Accepted Answer

80003

Gravity Answers

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