Solution to Fun with Fundamentals Puzzler: Free for ball

May 6, 2013
  Review the problem: Free for Ball.   The ball's spin is directed as shown in the sketch. It tumbles towards one very tightly covered receiver. It's gyrating at Ψ = 4 rad/sec. So what is its angular velocity?   7.62 rad/sec.       Try your hand at the next puzzler: Badger Banter.
About the Author

Elisabeth Eitel

Elisabeth Eitel was a Senior Editor at Machine Design magazine until 2014. She has a B.S. in Mechanical Engineering from Fenn College at Cleveland State University.

Sponsored Recommendations

Sept. 16, 2025
From robotic arms to high-speed conveyors, accuracy matters. Discover how encoders transform motor control by turning motion into real-time datadelivering tighter speed control...
Sept. 16, 2025
Keep high-torque gearboxes running efficiently with external lubrication and cooling systems delivered fast. Flexible configurations, sensor-ready monitoring, and stocked options...
Sept. 16, 2025
Now assembled in the U.S., compact P2.e planetary gear units combine maximum torque, thermal efficiency, and flexible configurations for heavy-duty applicationsavailable faster...
Sept. 16, 2025
Safety in automation goes beyond fences and emergency stops. Learn how functional safety actively monitors and controls motiondelivering smarter protection, greater flexibility...

Voice your opinion!

To join the conversation, and become an exclusive member of Machine Design, create an account today!