A
What force causes a ball to fall down?
Gravity
What is a contact force?
When two surfaces come together.
What happens when two North poles of a magnet move towards each other?
They repel (move away from each other)
Kicking a ball is what type of force? Contact or non-contact?
Contact force
Is gravity an example of a push or pull force?
pull
What force is used when we ride a bike?
Friction
Brushing your hair is a push/pull force?
pull
What is an example of buoyancy?
A boat staying afloat on the water or a ballon flying in the air
Leaves falling to the ground is an example of what type of force?
Gravity
What happens when a North and a South pole of magnets move towards each other?
They attract ( make contact with each other)
permanent
What type of materials are attracted to magnets?
Metal (iron, steel, nickel)