Why is the pointed arch seen in Gothic architecture structurally more stable than the rounded arch used earlie?

The pointed arch in Gothic architecture is structurally more stable than the rounded arch because it directs the weight and thrust more efficiently downwards and outward, reducing lateral forces. This allows for taller and more slender structures, as the pointed shape can better distribute the load to supporting columns. Additionally, the pointed arch enables the use of ribbed vaulting, further enhancing the stability and flexibility of the overall design. This innovation allowed for the creation of larger Windows and intricate designs, characteristic of Gothic cathedrals.