Lesson 3: Universal Law of Gravitation

Question 1

The acceleration due to gravity on the moon is 1.6 m/s2, about a sixth that of Earth’s. Which accurately describes the weight of an object on the moon?

Revolt · Accepted Answer

An object on the moon is six times lighter than on Earth.

Question 2

Question 100565

Revolt · Accepted Answer

100565

Question 3

On which planet would a 15.0 kg object weigh the most?

Revolt · Accepted Answer

Neptune; 168

Question 4

Question 100580

Revolt · Accepted Answer

168

Question 5

Which factors affect gravitational force? Check all that apply.composition of the objectsdistance between the objectsmasses of the objectsvolume of the objectsweights of the objects

Revolt · Accepted Answer

distance between the objects; masses of the objects

Question 6

Which satellite has the greatest gravitational force with Earth?

Revolt · Accepted Answer

Earth and Satellite D

Question 7

The distance between twin satellites that were originally 150 meters apart are now 300 meters apart. Which best describes the gravitational force between the twin satellites?

Revolt · Accepted Answer

The gravitational force decreased to F.

Question 8

Saturn’s moon Titan has a mass of 1.35 × 1023 kg. If Titan is 1.19 × 106 km from Saturn, and Saturn’s mass is 5.86 × 1026 kg, what is the gravitational force between Saturn and its moon?

Revolt · Accepted Answer

3.73 × 1021 N

Question 9

The gravitational force between the Sun (mass = 1.99 × 1030 kg) and Mercury (mass = 3.30 × 1023 kg) is 8.99 × 1021 N. How far is Mercury from the Sun?

Revolt · Accepted Answer

6.98 × 107 km

Lesson 3: Universal Law of Gravitation Answers

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