Discussion
Assertion (A): Transverse properties of a lamina are far poorer than longitudinal ones.
Reason (R): Across the fibres the constituents carry the same stress, so their compliances add.
Select the correct answer from the options below.
Answer: C
Both statements are true and the second is the reason for the first. The result sits close to the matrix modulus, some sixteen times below the longitudinal value, which is why laminates are built from plies at several angles.
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