Final answer:
The statement is true; weight and balance are crucial in creating a shadow box or any visual composition, affecting stability and visual appeal.
Step-by-step explanation:
The statement about weight and balance being important aspects of a shadow box is true. In the field of arts, particularly when designing a shadow box or any type of visual composition, weight and balance play critical roles in creating a visually appealing and stable artwork. Visual weight refers to the perceived heaviness or lightness of the shapes and forms in a composition, which affects how the viewer's eye moves across the artwork. Balance, on the other hand, refers to how these elements are distributed across the composition, which can be symmetrical (even distribution) or asymmetrical (uneven but still balanced distribution).
In the other exercises provided for reference, the book balanced by the iron weight will still be balanced on the moon due to uniform gravity, and the boy pushing the box up the ramp may not necessarily exert exactly 100 N force due to the additional factors like friction that were not considered.