A measure of how much matter is in an object.
Mass
Earths orbit moves in what direction around the sun?
Counter-clockwise
Which planet is the closest to the sun?
Mercury
What planet would you weight the most on?
Jupiter
True or false: Mass changes as the location changes.
False
The path of an object as it revolves around another object in space.
Orbit
All masses on earth are pulled to the _________ of earth.
Center
Which planet is equivalent to earth as far as diameter goes?
Venus
What is the gravitational pull on earth
9.8 m/s2
Every object exerts a pulling force of attraction on every other object. This force is known as
Gravity
The tendency of an object to resist a change in motion.
Inertia
As a rocket leaves earth. The mass of the rocket does what as it leaves earth.
Does not change
Pluto is equivalent to what other planet?
Mercury
All planets orbit around the ______
Sun
As the distance between two objects increases, the gravitational force between them ___
Decreases
Any influence, such as a push or a pull, that causes an object to move or change its speed, direction, or shape?
Force
The sun is orbiting a super massive _______
Black hole
The gravity on Mercury is equivalent to what planet?
Mars
Why does Jupiter have the highest surface gravity?
Because it has the biggest mass of all the planets
As mass increases, Gravity _________
Increases
Anything that has mass and takes up space
Matter
Newtons Law of Universal gravitation state there are 2 main things that affect how strong the gravitational pull is? what are they
Mass – The more mass an object has, the stronger its gravity.
Distance – The farther apart two objects are, the weaker the gravitational pull between them.
Why does Jupiter have the most gravity.
Because
All planets including the sun orbit around what?
A super-massive black hole
When an Astronaut travels to the moon what is his effect on his mass and weight?
Mass will stay the same, but weight will decrease