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Sagot :
To reduce the resonant frequency of a mass, I would b)increase the mass .So, correct option is b.
A thunderous recurrence is the normal vibrating recurrence of an item and indicated as 'f' with an addendum zero (f 0). At the point when an item is in balance with acting powers and could continue to vibrate for quite a while under wonderful circumstances, this peculiarity is reverberation.
We know very well that resonant frequency of simple harmonic motion system is given by 2π√k/m where k is spring constant and m is the mass of the body,
Now, we can see that frequency is inversely proportional to mass and directly proportional to spring constant.
Now, on increasing the spring constant we can see that resonant frequency will also rise.
On increasing the mass of the body resonant frequency will decrease since resonant frequency is inversly proportional to mass.
Increasing the damping will not effect the resonant frequency since frequency does not depend on the material of the body.
Hence, option b is correct.
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(Complete question) is:
Suppose that you wanted to reduce the resonant frequency of a mass and spring harmonic motion system, what could you do?
a)increase the spring constant
b)increase the mass
c)decrease the spring constant
d)increase the damping.
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