Magnets and Forces

Front

What is a magnet?

Back

A magnet is an object that produces a magnetic field, which can attract or repel certain materials, such as iron, nickel, and cobalt.

Front

What are the two types of magnetic poles?

Back

The two types of magnetic poles are north and south poles.

Front

What happens when two north poles of magnets are brought together?

Back

Two north poles will repel each other.

Front

What happens when a north pole and a south pole of magnets are brought together?

Back

A north pole and a south pole will attract each other.

Front

What is a balanced force?

Back

Balanced forces are equal in size and opposite in direction, resulting in no change in motion.

Front

What is an unbalanced force?

Back

Unbalanced forces are not equal and can cause an object to start moving, stop moving, or change direction.

Front

What is a push force?

Back

A push force is a force that moves an object away from the source of the force.

Front

What is a pull force?

Back

A pull force is a force that draws an object closer to the source of the force.

Front

What materials are typically attracted to magnets?

Back

Materials that are typically attracted to magnets include iron, nickel, cobalt, and some alloys.

Front

What is the effect of distance on the strength of a magnetic force?

Back

The strength of a magnetic force decreases as the distance between the magnet and the object increases.