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What is the difference between stress & pressure?

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Question added by Krishnakumar Ramanujam , Junior Engineer , VGN Infra India Pvt Ltd
Date Posted: 2014/05/08
Muhammad Ahsan Aslam
by Muhammad Ahsan Aslam , Project Coordinator , NSR Energies Pvt Ltd

Pressure is the external force acting over a unit surface area of a material. Stress is an internal force acting over a cross sectional area within the material.

Pressure is always acts normal to the surface. but but stress may also act either normal or parallel to the surface.

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