To Define or Edit Gravity
1. Click 
or right-click the gravity definition in the Mechanism Tree and choose 
. The Gravity dialog box opens. A WCS icon and an arrow showing the direction of the gravitational acceleration also appear.
or right-click the gravity definition in the Mechanism Tree and choose . The Gravity dialog box opens. A WCS icon and an arrow showing the direction of the gravitational acceleration also appear.2. Type a positive value for the magnitude of the gravity acceleration vector or change the existing value.
3. Enter or modify the vector coordinates.
4. Press ENTER. The direction of the arrow matches the directional vector.
5. Click OK.
 | To apply gravity to your mechanism during an analysis, you must select the Enable gravity check box on the External loads tab of the Analysis Definition dialog box. |