Balanced or Unbalanced?
Magnetic Fields
Transforming Energy
Changing Speed
Crash!
100
This type of force results in no change in motion
What is a balanced force?
100
Region around a magnet where non contact forces can be detected
What is a magnetic field
100
This is the energy of motion
What is kinetic energy?
100
Velocity is the combination of these two things
What is speed and direction
100
A push or pull between two objects is called this
What is a force
200
When forces cause a change in acceleration or velocity, they are called this:
What are unbalanced forces?
200
Like magnetic poles do this
What is repel
200
When a rollercoaster goes up a hill, kinetic energy converts to this:
What is gravitational potential energy
200
Changing direction while still remaining at a constant speed is considered a change in _____ and _______
What is acceleration and velocity
200
An object with a greater _____ will require more force to change its velocity
What is mass
300
A resting book on a table is an example of this:
What is a balanced force?
300
These magnets will do this
What is attract
300
Stretched or compressed springs have this kind of energy
What is elastic potential energy
300
This is the rate at which speed and velocity change over time
What is acceleration
300
This set will crash into each other.
What is set 2
400
A baseball goes 90mph toward a batter. The batter hits the ball and the ball travels 40mph in the other direction. The net force of the ball after it was hit was this:
What is unbalanced?
400
This is the name of this object
What is an electromagnet?
400
Eating food and then riding a bike is an example of _____ energy converting to ______ energy
What is chemical potential energy to kinetic energy
400
This magnetic car will accelerate away faster once released.
What is car 2
400
Because of mass and gravitational potential energy, this color object will experience the greatest force when it falls to the ground:
What is the yellow object
500
Net force of zero
What is a balanced force?
500
This is how to increase the electromagnetic force of the nail
What is increase the number of coils?
500
Total energy in a system remains constant because of this principle (starts with "law of...")
What is the law of conservation of energy
500
This magnet system will accelerate away from each other. 
What is system C
500
When these two trucks crash, even though they have much different masses they will exert this amount of force on each other
What is the same.