Physics · Sports Science
Sports Science Lab
Bend a free kick with the Magnus effect, see why golf balls have dimples, find the perfect free-throw arc and learn what your heart does in a race.
The course
7 worlds · 27 lessons

World 1 · Ball Flight and the Magnus Effect
FREEGravity, drag and spin on a football- 01Gravity alone: the parabola you get with no airThe frictionless baseline · 9 min
- 02The air pushes back: drag on a footballWhy real kicks are shorter and steeper · 10 min
- 03Spin turns the ball: the Magnus forceA sideways force from rotation · 11 min
- 04Bend it round the wallPlanning a free kick · 10 min

World 2 · Dimples, Drag and the Golf Ball
PROBoundary layers, the drag crisis and backspin- 01Why golf balls have dimplesBoundary layers and pressure drag · 10 minPRO
- 02Reynolds number and the drag crisisWhy C_D is not a constant · 10 minPRO
- 03Backspin, lift and the perfect launch angleBeating the vacuum range · 10 minPRO
- 04Curveballs, knuckleballs and the rising fastballMagnus in baseball · 9 minPRO

World 3 · Shots, Jumps and Throws
PROBest angles for baskets, bars and shot puts- 01The perfect free throwThe angle that needs the least speed · 10 minPRO
- 02Entry angle and the soft touchHow big the hoop looks from above · 9 minPRO
- 03Over the bar backwards: the Fosbury flopCentre of mass and the high jump · 10 minPRO
- 04Best angles for throws and jumpsWhen the release is above the ground · 10 minPRO

World 4 · Sprint and Ground Force
PROImpulse, stride and the bend
World 5 · Drag in the Pool and the Wind
PROSwimming, streamlines and cycling
World 6 · Your Heart in a Race
PROEnergy systems, cardiac output, VO₂ and lactate