Gravity & Friction
Friction between two surfaces is affected by two factors: Types of surfaces and what.
What is how hard they are pushed together?
A basic property of matter that creates force and accounts for electric interactions.
What is charge?
A complete unbroken path that electric charges can flow through.
What is an electrical circuit?
Attracts iron and other materials that contain iron
What is a magnet?
A property of electricity that can produce a magnetic field.
What is an electrical current?
There are four types of friction: Rolling, Sliding, Static, and what.
What is Fluid Friction
The force between charged particles
What is Electric Force?
The difference in electric potential energy per charge between two points in a circuit.
What is voltage?
The two ends of a magnet where the magnetic force is strongest.
What are poles?
The rule used to determine the direction of a magnetic field based on the direction of the current.
What is the Right-Hand Rule?
Sir Isaac Newton realized that gravity acts everywhere in the universe not just on earth. This is called the Law of what.
What is the Law of Universal Gravitation?
The continuous flow of charge
What is Electric Current?
The measure of how difficult it is for current to flow through an object.
What is resistance?
The area of magnetic force that surrounds a magnet.
What is a magnetic field?
A coil of wire with an electric current running through it.
What is a solenoid?
Gravity is affected by mass and?
What is Distance?
The unit current is measured in
What is Amperes?
There are two types of circuits. Series circuits and these.
What are parallel circuits?
A magnetized needle that can turn easily.
What is a compass?
Elements that include: Iron, Cobalt, and Nickel
What are Ferromagnetic Elements?
The acceleration due to gravity on earth is constant at this rate.
What is 9.8 m/s2?
The law that states that charge cannot be created or destroyed, only transferred.
What is the law of conservation of charge?
The law that states that voltage and current are directly proportional. As one increases so does the other.
What is Ohm's Law?
Sometimes called the Northern Lights. These are evidence of the earth's magnetic field at work.
What are Auroras?
The type of transformer that decreases the voltage of a current.
What is a Step-Down Transformer?