Newton's Laws
Force and Motion
Electromagnetism
Electric Motors and Generators
Electric and Magnetic Force
Atoms
100
If forces are moving in the same direction, _______ the forces.
What is add?
100
A push or pull acting on an object.
What is force?
100
Produced by a current of electricity flowing through a wire.
What is a magnetic field.
100
Two main components of a generator.
What are permanent magnets and a coil of conductive wire (copper).
100
Name the two poles of a magnet.
What are north & south?
100
What are the 3 subatomic particles in an atom?
proton, neutron, electron
200
An object in motion tends to stay in motion & an object at rest tends to stay at rest unless acted upon by an unbalanced force.
What is Newton's 1st law?
200
Motion of the object represented by the graph below
What is traveling at a constant speed.
200
Three components of a simple electromagnet.
What are core, solenoid, power source.
200
Part of an electric motor responsible for switching current and magnetic field.
What is commutator.
200
Two types of charges in electric force
What is positive and negative
200
Which two subatomic particles can balance the charge of an atom?
Proton and Electron
300
Newton's 2nd Law shows there is a direct relationship between ___________ and __________
What is force and acceleration?
300
A force of 250N is applied to an object that accelerates at a rate of 5 m/sec2. What is the mass of the object?
What is 50kg?
300
Type of material most commonly used for the core of an electromagnet.
What is iron.
300
A coil of wire moving within two ______________, creates an electric current, also known as electromagnetic induction.
What is Permanent Magnets/Magnets
300
Name the three magnetic elements?
What are iron, nickel, & cobalt?
300
The atomic number tells us the number of ____________ within an atom.
Protons
400
Newton's third law is known as the _______ and _________ law.
What is action & reaction?
400
The motion of the object represented by this picture 
What is an object traveling at a constant speed
400
3 ways to increase the strength of an electromagnet.
What are increase the number of coils, increase the strength of the power source, increase the strength of the core.
400
2 ways to make a generator stronger.
What are more coils and stronger magnets.
400
Which subatomic particle is transferred easily that changes the charge of objects?
Electrons
400
What is the charge of the atom below?
Neutral
500
If I kick a soccer ball with 100N of force, how many newtons of force is the soccer ball pushing back on my foot?
100N
500
Motion of the object pictured in the graph
What is an object at rest
500
3 benefits of an electromagnet.
What are can be turned on/off, control the strength of the magnet, and reverse the polarity of the magnetic field.
500
3 ways to make an electric motor stronger.
What are:
1) More powerful Magnets
2) More coils in the armature
3) Stronger power source
500
Two things the size of electric force depends on.
What are:
1) distance of the charges
2) size of the charges
500
What is the charge of the atom below?
Neutral
600
Net force of the image below
What is 100N Left
600
The perspective or viewpoint from which something is observed or measured, like a stationary object on the ground or a moving train
Frame of Reference
600
Missing from below electromagnet
What is core
600
4 main parts of a simple electric motor.
What are:
Power Source
Armature (Electromagnet)
Commutator
Permanent Magnets
600
The interaction between the charged particles below
What is repelling.
600
An atom is considered a ______________ because it has parts that work together to make a whole.
System