It will also be necessary to have mass and moments of inertia available for all the bodies if you are using simple 'bodies' to represent your system. When the PTC application manager starts, a small box appears near top right of the screen, click on 'Start' to show the pull down menu, then click on 'Pro Mechanica Motion r20'. 2.4 When Motion starts a temporary model is created. To retrieve an existing model, click on 'File', from the menu at the top left, then click on 'Open' and highlight the required file then click on the 'Accept' box. Repeat for any additional ground points needed.
Markers appear where the ground points are created.
If you want to change the view, click on 'View' from the menu at the top of the screen, this brings up the View menu down the right hand side of the screen. Use this to alter the view. Note you must close this View menu, by clicking on the 'Done' box at the bottom, before you can carry out any other operations on your model. 2.7 Create 'Bodies' to represent the components in your mechanism. 2.9 Create and define the 'bodies'.