A jack arch that is built correctly gives the appearance of sagging in the center.

Name: A jack arch that is built correctly gives the appearance of sagging in the center.
Brand: Quizplus
Rating: 4.7 (44 reviews)

Question

Quizplus · Accepted Answer

A jack arch typically has a slight sag in the center as it is designed to rely on compression to hold its shape. A properly built arch will look like it is sagging in the middle, but in reality, it is supporting the weight above it.

A Jack Arch That Is Built Correctly Gives the Appearance