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.
The event caused by magnetic force is:
c. The needle of a compass points toward Earth's North Pole.