Forces
push or pull on an object
What is a force
gram/kilogram
what is the unit for mass?
change in position
What is motion?
when two things do the same thing
What is proportional?
a force of attraction between two objects
What is gravity?
Newton
What is the unit for Force?
To strike or hit something with any amount of force
What is collide
two things react oppositely to each other
equal and opposite force
What is Newton's 3rd Law
a scale that measures force
What is a spring scale?
interacting objects
mass and distance
What gravity (or gravitational force) depends on?
If a car exerts 400N on a road this is the force the road pushes back
What is 400N?
how much space an object or substance takes up
What is mass?
group of parts that work together as a whole
What is a system?
force and mass
If a planet was to lose mass, what would it need to do to maintain the same gravitational force between it and the sun
What is move closer to the sun?
measure of the force of gravity on an object
What is weight?
having the tendency to pull other objects toward itself
force and distance
What is an inverse relationship?