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The force systems acting on an elastic body in equilibrium are _______

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in Geotechnical Engineering I by (102k points)
The force systems acting on an elastic body in equilibrium are _______

(a) body forces only

(b) surface forces only

(c) both body and surface forces

(d) body stresses

I have been asked this question during an online interview.

This is a very interesting question from Elasticity topic in division Elements of Elasticity of Geotechnical Engineering I

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Right option is (c) both body and surface forces

Easy explanation: The force systems acting on an elastic body in equilibrium are of two kinds and they are body forces and surface forces. The surfaces forces acts on the surface of the body while the body forces are distributed over the volume of the body.

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