The dynamic equation of motion of a structure contains M, C and K as mass, damping and stiffness matrices of the structure, respectively. If F is an external load vector, then which option is correct about the equation?

All the forces are time-independent

M ( ddot{x} ) + K ( dot{x} ) + Cx = F

M ( ddot{x} ) is time-dependent

All the forces are time-independent

The dynamic equation of motion of a structure contains M, C and K as m

1.	The dynamic equation of motion of a structure contains M, C and K as mass, damping and stiffness matrices of the structure, respectively. If F is an external load vector, then which option is correct about the equation?
A.	M ( ddot{x} ) + K ( dot{x} ) + Cx = F
B.	M ( ddot{x} ) is time-dependent
C.	All the forces are time-independent
D.	The equation is of 3<sup>rd</sup> order
Answer» C. All the forces are time-independent

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The dynamic equation of motion of a structure contains M, C and K as mass, damping and stiffness matrices of the structure, respectively. If F is an external load vector, then which option is correct about the equation?

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