Why Doesn't the Moon Fall Toward Earth Like Apples Do

question 25

Multiple Choice

Why doesn't the Moon fall toward Earth like apples do?

• A)the great distance of the Moon prevents falling
• B)moon's small mass prevents falling
• C)moon does fall but its great distance keeps it from getting closer
• D)moon does fall but due to its tangential motion it also falls around Earth

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Definitions:

Referential Integrity

In a relational database, a condition where, for each value in the foreign key table, there’s a corresponding value in the primary key table.

Foreign Key

In a relational database, the common field between tables that’s not the primary key.

Primary Key

A unique identifier for each record in a database table, used to ensure data integrity.

Default Value

The value a database automatically uses for a field unless the user enters another value.