Context: Isaac Newton was born in the 1600s and studied how objects move. He discovered three fundamental laws about forces and motion. According to Newton's third law, for every force, there is an equal and opposite force.
Consider the following force:
A horseshoe magnet is pulling on a metal screw.
According to Newton's third law, what other force must be happening?
A. The metal screw is pulling on the horseshoe magnet.
B. The metal screw is pushing on the horseshoe magnet.
From the given choices, choose the correct answer and respond with the letter of that choice.

A