BETA
Chapter 1
Defying gravity with vertical leap
Chapter 2
The illusion of hang time
Chapter 3
Collision and the rim reaction
Chapter 4
Biomechanics of the slam
YOUR GOAL
Master of The physics of a slam dunk
Ch 3 · Collision and the rim reaction
dave Physics of a Slam Dunk
Bend that steel spring, absorb the shock, keep the glass alive!
Fun Fact
Shatterproof hoops: The breakaway rim was patented by Arthur Ehrat in 1976 using a spring from a commercial seeding machine.
Glossary
torque (noun)
A twisting force that tends to cause rotation. In 1981, the NBA mandated breakaway rims to absorb excessive torque and prevent backboards from shattering.
A twisting force that tends to cause rotation. In 1981, the NBA mandated breakaway rims to absorb excessive torque and prevent backboards from shattering.
Quiz
Who patented the breakaway basketball rim in 1976 to prevent glass backboards from shattering?
Quiz
Approximately what percentage of a slam dunk's impact energy is absorbed by the spring in a breakaway rim?
Quiz
What type of force keeps a basketball secure in a player's hand as they swing it rapidly?
Quiz
At what minimum downward force is a standard professional breakaway basketball rim tuned to release?
Quiz
What are the tiny bumps on a leather basketball called that help players grip the ball?