Return default values for force and torque in 3DOF base class
Return default values for force and torque in 3DOF base class

Milad-Rakhsha/chrono,projectchrono/chrono,rserban/chrono,jcmadsen/chrono,jcmadsen/chrono,tjolsen/chrono,tjolsen/chrono,dariomangoni/chrono,dariomangoni/chrono,projectchrono/chrono,amelmquist/chrono,dariomangoni/chrono,jcmadsen/chrono,rserban/chrono,armanpazouki/chrono,rserban/chrono,amelmquist/chrono,armanpazouki/chrono,amelmquist/chrono,armanpazouki/chrono,andrewseidl/chrono,rserban/chrono,armanpazouki/chrono,projectchrono/chrono,Milad-Rakhsha/chrono,jcmadsen/chrono,amelmquist/chrono,Milad-Rakhsha/chrono,amelmquist/chrono,andrewseidl/chrono,projectchrono/chrono,andrewseidl/chrono,tjolsen/chrono,projectchrono/chrono,andrewseidl/chrono,rserban/chrono,Milad-Rakhsha/chrono,dariomangoni/chrono,tjolsen/chrono,jcmadsen/chrono,Milad-Rakhsha/chrono,armanpazouki/chrono,amelmquist/chrono,dariomangoni/chrono,Milad-Rakhsha/chrono,armanpazouki/chrono,tjolsen/chrono,jcmadsen/chrono,rserban/chrono,dariomangoni/chrono,andrewseidl/chrono,jcmadsen/chrono,rserban/chrono,projectchrono/chrono