Statement-1: Young's modulus for a perfectly plastic body is zero
Statement-2: For a perfectly plastic body, restoring force is zero.

Statement I: Young's modulus for a perfectly plastic body is zero. Statement II: For a perfectly plastic body, restoring force is zero.

Young's modulus for perfectly plastic body is

(A) : Young's modulus for a perfectly plastic body is zero. (R): For a perfectly plastic body, restoring force is zero.

Young's modulus for a perfectly rigid body is

Young's modulus for a perfectly rigid body is

Young's modulus of a perfectly rigid body is