Zero initial condition for a system means?(a) Input reference signal is zero(b) Zero stored energy(c) Initial movement of moving parts(d) System is at rest and no energy is stored in any of its componentsI have been asked this question in exam.The doubt is from The Approximation of Higher-Order Systems by Lower-Order in chapter Time Response Analysis, Design Specifications and Performance Indices of Control Systems

Zero initial condition for a system means?(a) Input reference signal i

1.	Zero initial condition for a system means?(a) Input reference signal is zero(b) Zero stored energy(c) Initial movement of moving parts(d) System is at rest and no energy is stored in any of its componentsI have been asked this question in exam.The doubt is from The Approximation of Higher-Order Systems by Lower-Order in chapter Time Response Analysis, Design Specifications and Performance Indices of Control Systems
Answer» CORRECT ANSWER is (d) System is at rest and no ENERGY is stored in any of its components Best explanation: ZERO initial CONDITION for a system means it has stored energy and system is at rest.

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