I am trying to make a suitcase move along a conveyor in SOLIDWORKS using a Path Mate. It works fine on the flat part of the conveyor, but when the path goes up or down on an incline the suitcase starts going into the conveyor instead of staying on top of it. What is the best way to make the suitcase look like it is riding on top of the conveyor when the path changes angle? I am a beginner using solid works. Thank you for any help that can be offered!!