4 ms·
If I am pushing against you pushing the other way, and one of us stops, the other falls forward. That's what happens with a buttress without the roof and intern
by NeedMoreTea 7y ago
If I am pushing against you pushing the other way, and one of us stops, the other falls forward. That's what happens with a buttress without the roof and internal arches pushing the other way. Not enough to push it instantly over, but give it time or a strong wind...