Forces
A push or pull
What is a force?
Push or pull on certain objects
What is magnetism?
A ball thrown into the air will...
What is come down?
A force that slows things down
What is friction?
An object at rest stays at rest unless acted on by a greater force
What is Newton’s First Law?
A change in position
What is motion?
The place where this force is the strongest
What is the north and south ends?
Force that pulls objects to Earth
What is gravity?
Friction is a contact force because
What is objects are touching?
For every action there is an equal and opposite reaction
What is Newton’s Third Law?
Two force equal in size acting in opposite directions
What is a balanced force?
The ends of a magenet that repel each other
What are the north - north or the south - south ends?
The greater the distance between objects..
What is the smaller the gravitational force?
Force against motion when traveling through air
What is air resistance?
Force = Mass x accleration
What is Newton’s second Law?
Forces acting on an object, not equal in size that cause motion
What is an unbalanced force?
The ends of a magnet that have a pulling force
What are the nort - south ends?
The greater the mass of an object the...
What is the greater the gravitational force?
Force when objects move through water
What is water friction?
Gravitational forces depend on mass and distance
What is Newton’s Law of Universal Gravitation?
Speed = distance/time
What is the speed formula?
Magnetic forces can be blocked
What is true
Causes objects to fall at different speeds
What is air resistance?
Characteristics that affect the amount of friction
What are shape, speed ,or texture?
A car going 60 mph hits a wall, the person inside flys through the wind shield
What is Newton’s First Law?