Gravity: Mastery Test

Arrange the planets in decreasing order of their strength of gravity: Jupiter, Neptune, Venus, Mars.

• Mars > Venus > Neptune > Jupiter

• Jupiter > Neptune > Venus > Mars

• Venus > Mars > Jupiter > Neptune

A spacecraft left Earth to collect soil samples from Mars. Which statement is true about the strength of Earth's gravity on the moving spacecraft?

• It decreases.

• It increases.

• It remains the same.

As a spacecraft moves away from Earth, the gravitational pull it experiences from Earth ____.

• A. increases

• B. decreases

• C. stays the same

Fill in the blank: The force of gravity between two objects depends on their masses and the ____ between them.

• color

• distance

• shape

Which of the following factors does NOT affect the gravitational force between two objects?

• Mass of the objects

• Distance between the objects

• Volume of the objects