key term - Gravity

Definition

Gravity is a fundamental force that attracts objects with mass towards each other. It is responsible for phenomena such as planetary motion and keeping us grounded on Earth.

Related terms

Mass:

A measure of the amount of matter in an object. It determines the strength of its gravitational attraction.

Gravitational Field:

The region around a massive object where it exerts a force on other objects with mass.

Newton's Law of Universal Gravitation: Describes the gravitational force between two objects as directly proportional to their masses and inversely proportional to the square of their distance apart.