A rigid body is subjected to non-coplanar concurrent force system. If the body is to remain in a state of equilibrium, then
1
\(\rm \sum F_x=\sum F_y=\sum F_z=0\)
2
\(\rm \sum M_x=\sum M_y=0\)
3
\(\rm \sum M_y=\sum M_z=0\)
4
More than one of the above
5
None of the above