Magnetic Forces
What type of force do magnets exert on each other?
A magnetic force can either attract or repel objects.
What are the two types of magnetic poles?
North and South poles.
What shape do magnetic field lines around a magnet form?
Magnetic field lines form closed loops, going from the north pole to the south pole.
What type of energy is stored in a magnetic field when a magnet is moved?
Potential energy is stored in the magnetic field.
What happens when like poles of magnets are placed next to each other?
Like poles repel each other, and opposite poles attract.
Can a magnetic force act on an object without direct contact?
Yes, a magnetic force can act on an object without direct contact.
What happens when two north poles of magnets are brought together?
They will repel each other.
How do magnetic field lines behave around two magnets with opposite poles facing each other?
The field lines curve from the north pole of one magnet to the south pole of the other, connecting them
How is kinetic energy related to the movement of a magnet?
Kinetic energy is the energy of motion, which a magnet has when it is moved by a magnetic force.
Can magnets move non-metal objects like wood?
No, magnets do not move non-metals like wood.
What happens when two magnets with the same poles are placed near each other?
The like poles of two magnets will repel each other.
How do opposite poles of magnets behave when brought near each other?
Opposite poles will attract each other.
How do magnetic field lines look when two magnets with like poles are facing each other?
The field lines will push away from each other or curve outward when two like poles face each other.
What happens to the potential energy of a magnet when you move it against a stronger magnetic force?
The potential energy increases as you move the magnet against a stronger magnetic force.
What types of materials can magnets attract?
Magnets can attract ferromagnetic materials like iron, nickel, and cobalt.
How does the strength of the magnetic force change as you move farther from a magnet?
The magnetic force becomes weaker as you move farther away from the magnet.
What would happen if you cut a magnet in half?
It would create two smaller magnets, each with its own north and south poles.
How does the pattern of magnetic field lines differ when magnets are attracting vs. repelling?
The field lines will be more concentrated between attracting poles and spread out between repelling poles.
How does the movement of a magnet convert potential energy into kinetic energy?
When a magnet is moved, potential energy in the field is converted to kinetic energy as it accelerates.
How does the strength of a magnetic force change with distance from the magnet?
The magnetic force weakens as you move farther from the magnet.
What is the relationship between magnetic force and distance for a system of magnets?
The magnetic force decreases with distance, following an inverse square law.
What does it mean when we say that magnetic poles are always in pairs?
Magnetic poles are always in pairs — there is no isolated north or south pole.
What can magnetic field lines tell us about the strength and direction of a magnetic force?
The density and direction of the lines tell you the strength and orientation of the magnetic force.
What is the relationship between the amount of energy used to move a magnet and the distance over which it is moved?
More energy is used to move a magnet farther away from the magnet, increasing the amount of potential energy stored in the field.
What is true about how magnets affect each other when they are in close proximity?
Magnets always affect other magnets, either attracting or repelling, depending on their poles.