Which of the following events is caused by magnetic force?
a
A person gets a shock from a doorknob after walking across carpet.
b
Pieces of clothing stick together after being in a clothes dryer.
c
The needle of a compass points toward Earth's North Pole.
d
Objects are constantly pulled toward the center of Earth.
1 answer
The correct answer is C: The needle of a compass points toward Earth's North Pole. This is because the Earth has a magnetic field, which causes a magnetized compass needle to align with the field lines and point north.