A mass - spring - damper system with m = Ike, K = 2 N /m , c = 0. 5 N- S/m is subject to a harmonic force with frequency @ = 3 rad / sec . Select the correct answer out of the three given for each question below Answer ( a ) Answer ( b ) Answer ( C ) Correct natural frequency w = ( rad / sec ) 1. 414 0. 707 2. 000 2 . 1. 414 natural frequency f, = (Hz ) 3. 142 4. 000 0. 225 C. 0. 225 natural period I = ( sec ) 0. 500 4. 444 1. 565 6. 4. 444 damped frequency w = ( rad / sec ) 1. 392 1. 000 4. 373 2 . 1. 392 critical damping constant C = ( N - s / m ) 0. 500 2.828 1. 414 b. 2. 828 logarithmic decrement S = 1. 909 3. 142 1 . 129 C. 1 . 129 the system is critically underdamped overdamped* \\ b . underdamped damped the magnification factor is 0. 279 0. 500 1. 333 2 . 0. 279 the best way for vibration increase C use a soft decrease C a . increase C suppression is spring for resonance to happen , the 0. 707 2. 000 1. 414 C. 1. 414 frequency of the force should be