The physics of hockey pdf

If you have students who are interested in hockey, the following videos from smarter everyday could offer a good way to get students interested in thinking about the science of hockey. Orr will give a full public lecture on the physics of hockey with demonstrations at 1. Hockey sticks have undergone a dramatic transformation from wood to aluminum to composite in just over 10 years. A 200pound hockey player skating 24 mph carries as much kinetic energy as a 350pound football player running 18 miles an hour. Physics of ice skating short track speed skating analysis the figure below shows a schematic of a speed skater as he goes around a turn. Understanding and improving hockey with physics our national sport is an ideal topic of study for a physicist. The physics professor is the author of two books on the science of hockey, how realworld physics affect canadas most popular sport all the way up to the nhl playoffs. As players are trying to gain an advantage in positioning, or trying to bump another player in order to take the puck or stop a play, they oftentimes collide with one another.

As the scientific discoveries progressed with time, so did the advancements in the sport of hockey, reflecting on how important and influential science truly is. May 17, 20 the physics in hockey for those who know me, you will not be surprised to learn that my two main interests in life are hockey and science. The physics of hockey satisfied my curiosity on several topics. The game the national hockey league calls the coolest game on earth is also a fastpaced, dynamic display of physics in action. Jun 04, 2010 a 200pound hockey player skating 24 mph carries as much kinetic energy as a 350pound football player running 18 miles an hour.

Since field hockey sticks are so hard and stiff, the stick is minimally flexed before it makes contact with the ball. Physics can be found in many different ways in hockey such as shooting a puck, skating from one end to the other, or even throwing a very harmful body check to your opponent. Jan 09, 2014 this is part 3 in a 3video series on the physics of hockey. Students investigate the force and motion used in hockey shots by experimenting with skinny sticks and small wooden circles for hockey sticks and pucks. The more power behind the swing, the further the ball will go. There is nothing unusual about the speed, since golf balls, tennis balls, and baseballs can also be projected at that speed or even higher. Field measurements of ice hockey stick performance and.

You can still access the 10part video series via our multimedia gallery. The goal will only be counted if the puck has passed the red goal line. Physics is not only relevant to the big questions of where the universe came from and how it works it has many reallife applications too. The ice provides a low friction surface, which poses problems of moving fast and changing direction, and also when a collision occurs between two players. The carolina hurricanes help explain why hockey needs physics.

Dec 27, 2017 an ice hockey player can strike a puck at speeds up to about 45 ms 100 mph using a technique known as the slap shot. The winner is determined after three periods of play unless the game is summoned into overtime. Nov 22, 2002 the book is illustrated with photos and graphs and punctuated with anecdotes to show how famous players, past and present, are really physicists on skates. Most professionals who understand the physics behind taking a powerful slap shot are capable of putting the puck on net at velocities of well over 100mph. Hockey stick stiffness values effective spring constants for several composite, wood, and aluminum hockey sticks. This is part 3 in a 3video series on the physics of hockey. The mass is the mass of the ball, and the acceleration comes from the stick hitting the ball. Brad orruniversity of michigan physics department chair brad orr demonstrates how physics is at the core of checking, shooting and skating in ice hockey, the worlds fastest sport. This is physics by a hockey fan for the hockey fan.

Physics in hockey newtons 3rd law friction there are many examples of friction in hockey. Emphasis in this video is on newtons third law of motion. Physics of ice skating real world physics problems. An ice hockey player can strike a puck at speeds up to about 45 ms 100 mph using a technique known as the slap shot. Nov 14, 2008 hockey and physics homework statement so im good at hockey, but just not the physics aspect. Apr 14, 2016 the physics professor is the author of two books on the science of hockey, how realworld physics affect canadas most popular sport all the way up to the nhl playoffs. A small hockey puck slides without friction over the icy hill shown in the figure and lands 6.

Physics of hockey is a site full of exploring physics in this fast pace sport of hockey. Crosschecking the physics of hockey chicago tribune. This site is like a library, use search box in the widget to get ebook that you want. The object of any hockey game is to outscore your opponent.

Stiffness and weight measures of the hockey sticks used in the field study. A photograph of the apparatus detailing relevantcontrols. Last week we introduced the principle of conservation of momentum and we. The physics of hockey download ebook pdf, epub, tuebl, mobi. In the physics of hockey, physicist and amateur hockey player alain hache examines some of the physical principles behind the worlds most popular winter a lot more than you might think. A lot of energy and motion are working together on the ice during a hockey game. We have examined two types of shots that are most widely used in ice hockey, namely the wrist shot and the slap shot12. Accurate slapshot level pack determine the power and angle of your slapshot as you try to score a goal in all 30 levels of this hockey puzzler. Therefore it was only a matter of time before i used this blog to combine the two and show everyone the physics behind the sport ive played since i was 5 years old. Experienced hockey players are generally aware of either directly or indirectly how physics plays a role in their ability to play the game. Who would have guessed physics could be so much fun. Physics of collisions ice hockey can be a very physical sport. The velocity and force with which a puck can be shot in an ice hockey game can get a little bit scary. Oct 21, 2016 a small hockey puck slides without friction over the icy hill shown in the figure and lands 6.

Hache investigates the properties of the ice surface, the science of skating and of skates, the odds of winning and losing streaks, and the principles behind shooting, hitting, and goaltending. In this paper we focus on horizontal forces in the motion of hockey players during forward motion, including consideration of work and energy. Therefore it was only a matter of time before i used this blog to combine the two and show everyone the physics. Consequently, physics is a part of sports and more specifically, hockey. The thought that more understanding was needed led me to analyze the physics behind many parts of the hockey stride. Physics and sport institute of physics for physics. Hockey and physics homework statement so im good at hockey, but just not the physics aspect. Click download or read online button to get the physics of hockey book now.

A golf ball hit with a force of 15 n travels with an acceleration of 25 mss. What specific movement details are actually necessary. This sport on ice is a very intense, dangerous combination of kinematics, newtons laws, energy, power. Science of nhl hockey is a 10part video series funded by the national science foundation and produced in partnership with the national hockey league. For example, there is friction between the puck and the ice, and the players skates with the ice. The physics of hockey is a recommended read for anyone who plays and enjoys hockey, as i do, but wants to understand some of the underlying physical phenomena that goes on in the game. Field measurements of ice hockey stick performance and player. The physics in hockey for those who know me, you will not be surprised to learn that my two main interests in life are hockey and science. Science of nhl hockey is a 10part video series funded by the national science foundation and produced in partnership with. University of michigan physics department chair brad orr demonstrates how physics is at the core of checking, shooting and skating in ice hockey, the worlds fastest sport.

According to justin burton, a university of chicago physicist, hockey players are taught to swing the blade so it hits the ice about one foot behind the puck. So i get a hill that isnt shaped straight like a triangle like i do with other questions. Dec 02, 2010 brad orruniversity of michigan physics department chair brad orr demonstrates how physics is at the core of checking, shooting and skating in ice hockey, the worlds fastest sport. As with most sports, physics plays a large part in the sport of ice hockey.

A thoughtprovoking, fun, and gentle introduction to some basic issues in physics, the physics of hockey is a truly unique book worthy of the shelf of every hockey fan and physics enthusiast. Hache is a physics professor and an amateur hockey player who combines his two passions in this book, which uses hockey to explain various. The physics of skating can involve angular momentum of figure skaters. Video 2nd law and field hockey this law states that force equals mass times acceleration. The science of hockey is the first in a series of sports science resources developed by the exploratorium. The book is illustrated with photos and graphs and punctuated with anecdotes to show how famous players, past and present, are really physicists on skates. Collisionsintwodimensions projectile and target spark generator air valves compressed air and high voltage level level adjustments record paper protractor carbon paper meter stick figure 8. Building from that approach, we could develop a comprehensive understanding of how the physics involved in the skating stride should dictate analysis of. We have archived the special report, science of nhl hockey. Now is the time to have your questions about the physics of hockey answered. If you have any questions or concerns, please contact the olpa webteam. The puck moving across the ice rink can be rolling or sliding friction. Note that the skating surface is flat and horizontal.

The numbers here are typical in ice hockey, and are easy to understand, but i suspect that most players and coaches rarely think about the game in these terms. For me, probably about 85, 90 miles an hour, not very fast. The fundamentals of physics suggest that the ball velocity of a field hockey shot is created slightly differently than the puck velocity of an ice hockey shot. In order to generate a 100 mileperhour 160 kmh slapper, nhl players depend on three important physics concepts. The physics of hockey is a broad subject of analysis, covering key aspects related to performance and equipment design. Dec 02, 2010 university of michigan physics department chair brad orr demonstrates how physics is at the core of checking, shooting and skating in ice hockey, the worlds fastest sport. This paper explores the physics underlying this experience, comparing traditional hockey strides and the alternative technique, shown in figure 1, where circular arcs are. Beginning with skating, which is an interaction between the sliding blade and the ice surface, the properties of ice and sliding friction will be explored. More than a feat of physical strength, the olympic slap shot is a showcase for the physics of elastic collisions the nearly perfect transfer of kinetic energy from a hockey stick to a frozen sixounce. The physics of hockey department of physics, engineering. The velocity and force with which a puck can be shot in an icehockey game can get a little bit scary. Pdf an ice hockey player can strike a puck at speeds up to about 45 ms 100 mph using a technique known as the slap shot. Goals are scored when the puck is in contact with the stick and the player fires it on net.

Physics and sport forum 17 an impaired cosmic vision paul nandra critical point 19 sporting knowledge robert p crease feedback 20 geoengineering, energy politics and green economics, plus comments from on the amazing harlequin mantis shrimp physics and sport the fastest man on no legs 22. What principles of physics are at play with the slap shot. The skilled players make it look easy, but the details in these physics principles are key to building stored energy in the stick, gaining torque for the puck and ultimately scoring that goal. The physics of hockey opened my eyes to a whole new way of viewing and understanding the game i love. The purpose of this page is to discuss how the game of hockey and physics go together. Your young scientists record data about taking shots from different angles and distances in a short booklet. Hockey stick flex ratings depend on the length of the stick and some manufacturers provide an approximate conversion for players who shorten their sticks. Alain hache article pdf available in the physics teacher 451.

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