Magnets
When magnets with different poles pull together.
What is attract?
A push or pull of an object.
What is a force?
an object in motion stays in motion, an object at rest stays at rest
Newton's first law
stored energy
potential energy
the amount of matter in an object
mass
When magnets with the same poles push each other apart
What is repel?
Equal forces acting on an object in opposite directions.
What are balanced forces?
how an object moves from place to place
motion
energy of motion
change in velocity over time
acceleration
A type of magnet that can be turned off and on.
What is electromagnet?
Forces that produce movement.
What are unbalanced forces?
F=MA
Newton's Second Law
energy at the top of a roller coaster
potential energy
friction
When you put two north poles together.
What is repel?
Earth's force pulling all things towards it's center?
What is gravity.
rate of motion
speed
energy when the roller coaster is going down the hill
kinetic energy
cm, m, km
When you put a south pole and a north pole together.
What is attract?
If one person is in front and pulling a wagon left, a person behind the wagon could help by doing this.
for every action there is an equal and opposite reaction
Newton's third law
the speed of an object in a certain direction
velocity
name of the train that hovers above the track
maglev