Force
What causes an object to change motion?
Force
Friction makes an object __________ and eventually ___________.
Slow down and stop
Iron and Steel
There are _______ and ________ charges.
Positive and negative
Newton
What are the main 2 types of force?
Push and Pull
For friction all objects must be ________.
Touching
What poles do magnets have?
North and South
What is the path that an electric current follows?
Circuit
What pulls objects to Earth
Gravity
Gravity is what type of force
Pull
Becuase objects have to touch for friction to work...what type of force is friction?
Contact Force
Oppostie Poles ________ and the same poles _________.
Attract and repel
What is the flow of electric charges?
Electric Current
What are things that take up space called
Matter
One pound is equal to __________ newtons.
4.5
Friction works in the __________ direction of the object moving.
Opposite
The property that causes magnets to pull is...
magnetisim
Metal that becomes a magnet when electric goes through it.
Electromagent
Same poles, north and north, south and south
Forces are balanced when they are _________ in size and going in _________ directions.
Equal/ opposite
What could cause an object to have less friction?
Smooth texture / slime
The place on the magnet where the magnetisim is the strongest.
pole
Tiny particles have a charge and that are present in all matter. What is the charge?
Electric Charge
What are the tiny particles that make up matter and are also an electric charge?
atoms