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Markierte Blog-Beiträge Physics of Sports

Why Do Road and Mountain Bikes Have Different Spoke Patterns?

October 15, 2021

Why do some bicycle rims come with warnings? Why do some bicyclists prefer rim brakes? To find answers, we model the forces in a bicycle rim for different brake types and spoke lacing patterns.

Why Do Golf Balls Have Dimples?

October 1, 2021

Why do golf balls have dimples? Can I model a golf ball with COMSOL Multiphysics? Can I use simulation to optimize my shot and make a par? Find answers to these questions and more…

Fore! Analyzing the Performance of a Golf Ball with Simulation

August 25, 2021

Did you know that golf balls were originally made out of wood? We discuss the evolution of the golf ball and how simulation can be used to analyze modern golf ball designs.

Why Do Tennis Rackets Tumble? The Dzhanibekov Effect Explained…

September 1, 2020

If you toss a cellphone, tennis racket, wingnut, cereal box, or any object with 3 axes of rotation in the air, it will demonstrate this interesting and unusual effect…

How Do Bicycle Pedals Stay On?

August 27, 2020

Ever wonder why the left pedal of a bike has left-handed threads and the right pedal has right-handed threads, yet the pedals stay on when riding?

Does It Matter Which Ball the FIFA World Cup™ Teams Practiced With?

June 6, 2018

In an attempt to determine what type of soccer ball is best to prepare for the FIFA World Cup™, we set up a backyard experiment involving a leaf blower, level, and a few soccer balls.

Terminal Velocity, Drag Coefficients, and FIFA World Cup™ Predictions

June 1, 2018

Is it possible to predict the winners of the FIFA World Cup™? We forgo consulting a psychic and instead analyze the terminal velocity and drag coefficients of different balls with CFD simulation.

Why Is Ice Slippery Enough for Skiing and Skating?

December 2, 2016

Finding a scientific explanation for why ice is slippery seems simple enough, but it has actually been a subject of debate and confusion for centuries. As part of the world begins to bundle up for a blustery winter, let’s explore the science behind how the slipperiness of ice enables us to ski, skate, and even fall down in the parking lot.


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