A magnetic pick-up tool is capable of attracting which of the following?

A magnetic pick-up tool is designed to attract ferrous metals, which are metals that contain iron. This includes materials such as steel and cast iron. The magnetic properties of these materials allow them to respond to magnets, enabling the tool to easily pick them up.

This capability primarily stems from the ferromagnetic characteristics of iron and its alloys. In contrast, non-ferrous metals, such as aluminum, copper, and brass, do not respond to magnets and therefore cannot be attracted by a magnetic pick-up tool. Similarly, non-metallic objects or materials, like wood, plastic, or rubber, also cannot be attracted since they lack any magnetic properties.

Given this information, the focus on ferrous metals clarifies why the choice specifying only ferrous metals is the correct one.