1. The problem statement, all variables and given/known data Does a particle at rest on the surface of the earth experience tangential acceleration because of the rotation of the earth? If so, in what direction? If not, explain why not. 3. The attempt at a solution The particle would not have tangential acceleration but rather inward acceleration towards the center of the earth. As the particle is rotating in a circle constantly being pulled towards the center of the earth while it attempts to fly off the earth in a direction perpendicular to the inward acceleration. I am wondering if I am missing something here as I don't fully understand tangential acceleration.