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

What is the mass of the lunar landing module on the moon? [___] kg

Revolt · Accepted Answer

4,200

Question 3

The weight of the lunar landing module on the moon is [___] its weight on Earth.

Revolt · Accepted Answer

less than

Question 4

4,200✔ 6,86034,440

Revolt · Accepted Answer

✔ 6,860

Question 5

What is the lunar landing module’s weight on Earth? [___] N

Revolt · Accepted Answer

41,160; Selection 1: 41,160; Selection 2: 4,200; Selection 3: less than; Selection 4: 6,860

Question 6

Which factors affect the gravitational force between objects? Check all that apply.

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

Jamal wanted only to test the effect of the free fall and so he put his system in a vacuum to prevent air resistance. In free fall, will the crumpled or flat paper reach the ground first?

Revolt · Accepted Answer

Both papers will reach the ground at the same time.

Question 9

John throws a baseball from a standing position. Which of the three possible paths will the ball follow?

Revolt · Accepted Answer

Path C

Question 10

Question 11

Revolt · Accepted Answer

80003

Gravity Answers

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