Gravity, Motion, and the Solar System Flashcards
Study for the test
Revolution
The movement around another object
Rotation
The act of moving around a center or axis
Force
A push or a pull
Gravity
An attractive force that exists between objects that have mass
Mass
The amount of matter in an object. Measured in grams and kilograms. Mass doesn’t change
Law of Gravitational Attraction
All objects are attracted to each other by a gravitational force. The strength depends on the mass of the objects and the distance between them
Weight
Measures the gravitational force acting on an object’s mass. Depends where the object is.
Inertia
The tendency of an object to resist change in motion
The more mass…
…. the more gravitational force
The less mass….
…..the weaker the gravitational force
The relationship between mass and gravitational force is…
….proportional
The more distance….
…..the less gravitational force
The less distance….
…..the more gravitational force
Why do objects stay in orbit?
Due to gravitational forces and inertia
