Answer / waseem anwar

pressure is the external force applied on a body on unit
area and also the pressure is always perpendicular to that
surface of that body while stress is the internal resistance
of the body to the applied load or force...

Answer / muhammaddin

above answer is correct pressure applied in fluid while stress applied in solid

Answer / guest

pressure is external force on per unit area of body

stress is when applied external force on body deformation per
unit area.

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