Final answer:
A noncontact force is a force that can act on an object without physically touching it. In this case, a magnet attracting metal is an example of a noncontact force.
Step-by-step explanation:
In physics, a noncontact force is a force that can act on an object without physically touching it. Out of the options provided, the noncontact force is A magnet attracting metal. When a magnet attracts a metal object, such as a paperclip, the force is exerted between the magnet and the paperclip without direct contact between the two.
Learn more about noncontact forces