Recent Blogs
Lever Sector: Circular Sweep Animation and Arc-Length Calculator
Calculate circular sector arc length, endpoint chord and travel per degree from radius and sweep angle. See the fixed-radius motion in an interactive animation.
See-saw Mechanism Explained: How a First-Class Lever Balances Torque, Parts, and Uses
How a see-saw lever works, the pivot geometry that makes it balance, and real-world examples from playgrounds to industrial counterweighted lifts.