Apparently, this user prefers to keep an air of mystery about them.
15 Is the normal force a conservative force? Jan 10 '13
9 What is the proof that a force applied on a rigid body will cause it to rotate around its center of mass? Feb 9 '13
5 Understanding tension Sep 11 '12
3 Two people pushing off each other Oct 31 '12
2 Shouldn't the change in kinetic energy be more in a moving elevator from a stationary frame of reference? Dec 24 '12
2 Why can't collisions be elastic? Oct 12 '12
1 Relative Velocity and Momentum Nov 17 '12