Question

what is equilibrium state

Answer 1

Thermodynamic equilibrium is an axiomatic concept of thermodynamics. It is an internal state of a single thermodynamic system, or a relation between several thermodynamic systems connected by more or less permeable or impermeable walls.

Answer 2

heya answer is here.....

◇ sum of all forces is zero at the center point.

ex:-

x+y+z=0 at center point.

hope it helps u dear......