Statics quizzes

How forces balance to keep structures standing, and why triangles make bridges rigid and stable.

1 quiz

Statics: Why Bridges Are Built From Triangles

The hidden balancing act behind everything that stands still, from picture wires and seesaws to trusses, I-beams and friction.
50 questions

The whole quiz comes before your apps

BrainTok asks a few questions like these before the apps you choose open, so your screen time turns into learning. For iPhone.