Definitions
What is Mass?
how much substance makes up an object (Kilograms, kg). Stays constant no matter where you are
Did matte cause the Earth and other planets to become round?
True!
The strength of gravity depends on two things...
mass and distance
Why is there less gravity on the moon?
It has a smaller mass
What is weight?
Amount of gravity exerted on a body, depends on mass and gravity. Is not constant wherever you go (lbs)
Gravity determines the motion of our galaxy.
True
9.8 m/s2
Why don't the satellites fall out of the sky?
The combination of the forward motion and and the downward motion due to gravity causes it to keep orbiting.
What is gravity?
Force of attraction between objects due to mass
Why can we jump higher on the moon?
There is less gravity
Does mass change depending on the strength of gravity?
No
Why is there more gravity on Jupiter?
It has more mass
What is the law of universal gravitation?
states that all objects attract each other through gravitational force.
Objects with greater mass have more attraction between them.
True
Does weight change depending on the strength of gravity?
Yes
Objects with greater mass have more -------- between them
attraction
What is an attractive force?
it pulls and does not push
What is free fall?
Gravity is pulling it down and no other forces are acting on it
All matter is affected by gravity.
Yes!
Why don't we feel the gravity of the sun on the earth?
It is too far away