motion and forces
What is position?
The exact place of where an object is
Can you predict motion? Is there a pattern?
Yes!
What happens when you apply more force to something?
It moves faster
If an object moves, the forces are...
(balanced or unbalanced)
Unbalanced
What is a magnet?
An object that attracts certain kinds of metals
What is direction?
The way an object faces
What is an object that has a motion you can predict?
A clock, a swing, a ball bouncing, etc.
Do you want friction when ice skating?
No
The strength of electric force becomes stronger as electrically charged objects
get closer to each other
A magnet has how many poles. What are they called?
2. North and South
motion
What is a force?
A _______ or ________
push or pull
What all forces touch?
No
How can a balloon attract small pieces of paper without touching them?
I can charge the balloon by rubbing it against my hair
What does the north pole of a magnet do when next to a south pole? What about north and north?
Attract. Repel
What does "relative" mean?
EX: What is the relative position of the blue car compared to the red car?
Compared to
If the forces are equal and opposite on an object what happens?
The object doesn't move
What force is ALWAYS acting on us?
gravity
electric
When magnets are close together the forces is _____
When they are further apart, the forces are ______
stronger. weaker
What does it mean to "predict" something?
Tell what will happen in the future
What is a force that doesn't touch?
gravity, magnetism, electricity
What is friction?
A force that goes against the motion of an object
When an object is electrically charged, we say it has
Static electricty
What is the largest magnet on Earth?