Recent content by amrit2

What strikes me though is the term "fixed unlubricated," which makes it seem as if the problem is trying to hint that there is friction.

1. A machine has a steel shuttle that is moving along a fixed unlubricated steel rail pulled by an elastic shuttle cord, which is at an angle The shuttle has a mass of 800g and is released when the elastic cord has 20N tension at an angle of 45 degrees. I know how to solve the problem...