What condition is necessary for two bodies that are in physical contact with each other to be in thermal equilibrium?

Question

amity · Answer

There shouldn't be  the flow  of heat........ That is ..no temperature  difference  between  both body....... Their all thermodynamic variables must constraint  to each other

amity · Answer

There shouldn't be  the flow  of heat........ That is ..no temperature  difference  between  both body....... Their all thermodynamic variables must constraint  to each other