Classification — find the odd tool: which one is NOT primarily a cutting implement?

Introduction / Context:
Tool classification questions often hinge on the primary function of each tool. Three of the listed implements are designed to cut or sever material; one is designed for striking/impact rather than cutting.

Given Data / Assumptions:

• Knife: cutting by a sharp blade.
• Scissors: cutting with paired blades.
• Axe: cutting/chopping wood with a beveled edge.
• Hammer: primarily for striking (driving nails, shaping metal, breaking objects) rather than cutting.

Concept / Approach:
Identify the common functional category (cutting) and select the item whose principal design and usage differ (striking).

Step-by-Step Solution:
1) Group cutting tools: Knife, Scissors, Axe all rely on sharp edges to sever material.2) Evaluate Hammer: uses mass and momentum to deliver blows; no sharp cutting action.3) Therefore Hammer is the functional outlier.

Verification / Alternative check:
Consider typical tasks: slicing food (knife), cutting paper/fabric (scissors), chopping wood (axe) vs. driving nails or shaping metal (hammer).

Why Other Options Are Wrong:
They are all primarily cutting tools, matching the majority category.

Common Pitfalls:
Overthinking “axe” as a striking tool; while impact is involved, its edge performs a cutting/chopping function, keeping it within the cutting family.

Final Answer:
Hammer