Challenge 1: Why the Handle Specifically Needs Edit Mode — Solution Walkthrough

The answer:

Per Chapter 3's own material, Object Mode manipulates an entire object
as one unbroken unit — move, rotate, scale — without reaching inside
its own individual geometry. The mug's basic cylindrical body is
already a reasonable shape once added and positioned, so Object Mode
alone is enough for that part.

Why the handle is genuinely different:

The handle isn't a simple, regular shape that a primitive or a whole-
object transform can produce — it needs to be built directly onto the
mug's own existing surface, extruded outward from specific faces and
shaped with loop cuts and bevels. Per Chapter 4's own material, this
kind of custom, localized geometry work requires selecting and editing
individual vertices, edges, and faces, which only Edit Mode provides
access to.

Why this matches the course's own broader framing:

This is exactly the distinction Chapter 4's own tip box drew directly
from Chapter 3 — Object Mode for whole-object placement, Edit Mode for
actually reworking a shape's own underlying geometry. The mug's body
needed only the former; its handle specifically needed the latter.

WHY THIS WORKS AS AN ANSWER
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This exercise checks that the need for Edit Mode is correctly tied to
custom, localized geometry work (the handle) rather than whole-object
placement (the mug's basic body), per the Object Mode/Edit Mode
distinction from Chapters 3 and 4.