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Theory of Structures - Engineering

Q1:

Stress may be expressed in Newtons

A per millimetre square (N/mm2)

B per centimetre square (N/cm2)

C per metre square (N/m2)

D All of the above.

ANS:D - All of the above.

Stress= force per unit area
So, a unit of force is Newton and unit of area is m^2.
Stress = N/m^2.