COLD HARD SCIENCE: SLAPSHOT Physics in Slow Motion - Smarter Every Day 112 | Summary and Q&A
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TL;DR
This video explores the physics behind a slap shot in hockey and explains how a flexible stick can increase the speed of the puck.
Key Insights
- 🥶 Striking the ice before hitting the puck allows for potential energy storage, resulting in a faster shot.
- 💋 The flexibility of a hockey stick plays a crucial role in releasing the stored energy efficiently and propelling the puck.
- 💋 The flex number on a hockey stick indicates its stiffness, but it may not always accurately reflect the stick's actual performance due to wear and tear.
- 🫷 The breaking point of a stick during a slap shot can vary, but it often breaks where the player's hand is pushing against it.
- 🐎 The physics of a slap shot require precise timing to maximize the shot's speed and energy transfer.
- 😁 Understanding the stresses on the inside of a beam can help analyze the forces acting on a hockey stick during a slap shot.
- 🥶 Striking the ice and accelerating the puck can combine forces to exceed the stick's maximum stress limit and cause it to break.
Transcript
Hey it's me Destin, welcome back to Smarter Every Day. So it might surprise you to know that we have hockey at the university that I went to. Anyway today we're gonna talk about the physics of a slap shot. You're getting Smarter Every Day. [theme music] [crowd noise] (Destin) No way, you're missing a tooth? That's so stereotypical hockey player. Ca... Read More
Questions & Answers
Q: How does striking the ice before hitting the puck help increase the speed of the shot?
By striking the ice first, the player stores potential energy in the stick, which gets gradually released like a slingshot, propelling the puck even faster than the stick's swing speed.
Q: What advantage does a flexible stick offer in a slap shot?
A flexible stick allows the player to store a significant amount of potential energy, which can be released efficiently during the shot for greater puck speed.
Q: What does the flex number on a hockey stick indicate?
The flex number indicates the weight required to deflect the stick one inch. It reflects the stick's stiffness and can vary between different manufacturers.
Q: How does a hockey stick break during a slap shot?
The stick can break when the forces applied to it exceed its maximum stress limit. In this case, the stick broke when the player tried to accelerate the puck, causing it to exceed its stress limit.
Summary & Key Takeaways
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The video follows Destin as he examines the mechanics of a slap shot in hockey and records it using high-speed cameras.
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The player stores potential energy in the stick by striking the ice before hitting the puck, allowing for a faster shot.
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The flexibility of the stick plays a crucial role in releasing the stored energy efficiently.
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