Why Don t Roller Coasters Fly Off the Tracks?
0
0
3,248 المشاهدات·
10/22/23
في
Discovery
Impossible Engineering | Thursdays at 9/8c Upstop wheels apply friction under the tracks to prevent roller coasters from derailing during zero-G drops and turns. Full Episodes Streaming FREE...
أظهر المزيد
0 تعليقات
sort ترتيب حسب
