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The Physics of Golf

By Char Russekoff

Introduction

  • The sport of golf is all about physics. When taking a lesson, many instructors resort to talking about the physics in the golf swing, or the physics of a hook or slice, known as the magnus effect, or sometimes even conservation of momentum can slip into the conversation.

Bibliography

Works Cited

"Collisions and Momentum Conservation." TED-Ed. Web. 09 Jan. 2017.

"Home." IGFGolf. Web. 09 Jan. 2017.

"Speed, Velocity and Acceleration." TED-Ed. Web. 09 Jan. 2017.

TEDEducation. "Football Physics: The "impossible" Free Kick - Erez Garty." YouTube. YouTube, 15 June 2015. Web. 09 Jan. 2017.

Conservation of Momentum

The Magnus Effect

  • The conservation of momentum is the main physical aspect of golf
  • The conservation of momentum comes into play when the club head makes contact with a ball
  • This aspect of physics ties into the length of the shot
  • Formulas: (p=mv) or (momentum=mass*velocity)
  • Formulas continued: (Club head momentum = 290g*93.4mph) (Golf balls momentum = 45g*137mph)
  • Final Answers: (Club head momentum: 27,068 g*mph) (Golf ball momentum: 6165 g*mph)
  • The reasons for the unbalanced momentum could include the factor of outside forces. The outside forces could include gravity, air resistance, static friction, and the magnus effect
  • The Magnus Effect is one of the most skillfull physical aspects a golf can learn how to use, or one of the hardest aspects to get rid of
  • When a ball curves to the left, it is called a draw or hook based on the extent, but when it curves to the right it is called a fade or a slice, again based on its extent
  • The magnus effect works by altering the pressure on both sides of the golf ball, altering its path away from the side of high pressure and towards the side of low pressure
  • Slices and hooks can be achieved by swinging in a more lateral or more vertical direction
  • The magnus effect can let players doge obstacles, or enter greens from their designated area

Acceleration in Golf

  • Acceleration plays a large role in golf
  • Acceleration occurs mostly from the top of the swing then down through the ball
  • Acceleration effects the distance in the shot
  • Formulas: (A= V2 - V1 / T) or (Velocity 2 minus Veloctiy 1 divided by Time)
  • Formulas continued: A=41.7m/s-0m/s/.05sec when plugged in
  • Once calculated the acceleration comes out to be 834 meters per second squared
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