https://gdpark.blog/tags/torque/Recent content in Torque on gdpark.blogHugoenMon, 19 Jan 2015 00:00:00 +0000https://gdpark.blog/posts/classical-mechanics-15-angular-momentum-of-a-system-of-particles/Sat, 17 Jan 2015 00:00:00 +0000https://gdpark.blog/posts/classical-mechanics-15-angular-momentum-of-a-system-of-particles/We decompose total angular momentum into an orbital piece (system as one lump at the CM) and a spin piece (particles wiggling around it) — and show why those cross terms vanish.https://gdpark.blog/posts/classical-mechanics-19-physical-pendulum-and-center-of-oscillation/Sun, 18 Jan 2015 00:00:00 +0000https://gdpark.blog/posts/classical-mechanics-19-physical-pendulum-and-center-of-oscillation/A casual walkthrough of how a rigid body swings as a physical pendulum, and why its period maps neatly onto the classic simple pendulum formula via the radius of gyration.https://gdpark.blog/posts/classical-mechanics-20-rigid-body-in-planar-motion/Mon, 19 Jan 2015 00:00:00 +0000https://gdpark.blog/posts/classical-mechanics-20-rigid-body-in-planar-motion/Fixed-axis rotation is so last chapter — now the axis itself moves, and we figure out exactly when that messy extra torque term thankfully drops to zero.