8.3 Forces at a Distance

Front

What happens when LIKE poles of two magnets face each other?

Back

They exert repulsive forces on each other.

Front

What is the definition of a magnetic field?

Back

The space around a magnet in which forces can act on an object.

Front

What is the cause in the hypothesis: 'When we bring another piece of iron near the doorbell's hammer arm, then we will observe no forces between them if the doorbell's hammer arm is made of iron'?

Back

The cause is 'bring another piece of iron near the doorbell's hammer arm'.

Front

What occurs when a copper coil is disconnected from a battery?

Back

The coil will not attract or repel a permanent magnet.

Front

What describes the interaction between opposite poles of magnets?

Back

They exert attractive forces on each other.

Front

What is the effect of a magnetic field on a moving charged particle?

Back

It exerts a force perpendicular to the direction of the particle's motion.

Front

What is an example of a material that can be magnetized?

Back

Iron is a common material that can be magnetized.

Front

What is the relationship between electricity and magnetism?

Back

Electric currents can create magnetic fields.

Front

What happens to the magnetic field when a magnet is cut in half?

Back

Each half becomes a new magnet with its own north and south poles.

Front

What is the term for materials that are not attracted to magnets?

Back

Non-magnetic materials.