https://gdpark.blog/tags/gravity/Recent content in Gravity on gdpark.blogHugoenThu, 25 Jun 2015 00:00:00 +0000https://gdpark.blog/posts/classical-mechanics-10-the-orbit-equation-via-energy-methods/Thu, 25 Jun 2015 00:00:00 +0000https://gdpark.blog/posts/classical-mechanics-10-the-orbit-equation-via-energy-methods/We pull out the orbit equation via energy methods — covering why potential energy is negative, then grinding through K+V with the r=1/u substitution.https://gdpark.blog/posts/classical-mechanics-11-orbital-stability/Thu, 25 Jun 2015 00:00:00 +0000https://gdpark.blog/posts/classical-mechanics-11-orbital-stability/Ever wondered why orbits just stay put without flying off? We dig into the equations of motion to uncover a sneaky spring constant hiding inside!