Fluid Mechanics quizzes

How liquids and gases move, and why surface texture changes drag—even on a golf ball.

1 quiz

Fluid Mechanics: Why Golf Balls Have Dimples

How liquids and gases push, flow, lift and drag, from floating steel ships and draining sinks to water hammer and wings.
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.