What is the primary purpose of using a pick axe?

The primary purpose of using a pick axe is to break up hard ground. This tool is designed for penetrating tough surfaces, making it particularly effective for breaking through compacted soil, rocky ground, or even ice. The pick axe consists of a pointed end that can be driven into hard materials, facilitating the task of loosening or breaking them apart.

While it can be used in various applications, such as if the ground needs to be prepared for digging or landscaping, its design specifically targets the initial breaking and loosening of tough surfaces. Tasks like removing shingles or prying tools, although possible with different tools such as a crowbar or pry bar, do not capitalize on the specialized functionality of a pick axe, demonstrating why breaking up hard ground is considered its primary purpose.