It is called if a physical system vibrates with unusual intensity when driven by an external...
- It is called if a physical system vibrates with unusual intensity when driven by an external vibration with a particular frequency.
Homework Answers
It is called "resonance" if a physical system vibrates with unusual intensity when driven by an external vibration with a particular frequency.
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It is called if a
physical system vibrates with unusual intensity when
driven by an external...
When parts of a vibrating system slide on a dry surface, the damping is:
Question 1 When parts of a vibrating system slide on a dry surface, the damping is: Viscous Coulomb Hysteretic None of aboveQuestion 2 Fill in the blank boxes thus matching with the proper word from the pull-down list: - Undamped vibration is characterized by no loss of _______ - Continuous or distributed systems can be considered to have an _______ number of degrees of freedom. - The number of degrees of freedom of a system denotes the minimum number of independent _______ necessary to describe the positions of all...
Mullewand 1) When a quitar string plays the note "A') the string vibrates at 440 Hz....
Mullewand 1) When a quitar string plays the note "A') the string vibrates at 440 Hz. What is the period of the vibration? 2) In the aftermath of an intense earthquake, the earth as a whole "rings" with a period of 54 minutes. What is the frequency (in Hz.) of this oscillation?
When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum is...
When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum is vibrating with an amplitude of 6.3 x 10^-7 m and a maximum speed of 2.9 x 10^-3 m/s. What is the frequency (in Hz) of the eardrum's vibration? What is the maximum acceleration of the eardrum?
A force transduce r is a mass-spring-damper system. When an external force is applied to the...
A force transduce r is a mass-spring-damper system. When an external force is applied to the mass, the spring displacement is measured that indirectly represents the level of the force. The system dynamics is 8 7 (a) Convert the system dynamics into the standard form +2wnx Kownf by calculating the values of Ko-, ah in terms of the physical parameters M, B, K. (8%) (b) Calculate the transmissyde)l, force. (Hint: write down the transfer function first.) (7%) missibility Trere o...
2 criticalF m 2m2 A) For a frictionless system, resonance occurs when the system is driven at the...
2 criticalF m 2m2 A) For a frictionless system, resonance occurs when the system is driven at the natural frequency wo vk/m. If we take the friction out of the spring-mass system. we're studying, we have m 1 and k 26 still. Calculate the natural frequency of this frictionless system, compare it to the critical driving frequency for the system with friction included, and draw a conclusion about the effect of friction on the frequency at which resonance occurs. B)...
In a pull system, an information flow of external demand is moving _______ and the physical...
In a pull system, an information flow of external demand is moving _______ and the physical flow of the flow units is moving _______ A. upstream, upstream B. downstream, upstream C. downstream, downstream D. upstream, downstream
What is it called when the frequency of a forced vibration matches an object’s natural frequency?...
What is it called when the frequency of a forced vibration matches an object’s natural frequency? A. rarefaction B. compression C. blue shift D. resonance
A pipe carrying steam through a section of a factory vibrates violently when the driving pump hits a speed of 300 RPM. In an attempt to suppress the pipe vibrations completely, an absorber tuned to 3...
A pipe carrying steam through a section of a factory vibrates violently when the driving pump hits a speed of 300 RPM. In an attempt to suppress the pipe vibrations completely, an absorber tuned to 300 RPM is attached 4 The steam carrying pipe with the absorber in place can be modelled as shown in Figure Q4 below (a) Develop expressions for the amplitudes of the motion of the pipe and the (12) absorber masses as a function of the...
Test Consider a two-degrees-of-freedom system shown below. ド. PN What is the amplitude of vibration (particular solution only) of mass 2 (at the input frequency)? The answer must be positive. Ke...
Test Consider a two-degrees-of-freedom system shown below. ド. PN What is the amplitude of vibration (particular solution only) of mass 2 (at the input frequency)? The answer must be positive. Keep 3 significant figures, and omit units. Use m1 2 kg m2 4 kg k1 147 N/m k2 146 N/m K3 192 N/m F1 # 411 cos(0.50 N Note that the system is not damped. The homogeneous response does not decay to zero. The masses vibrates at three different frequencies...
13. A damped mass-spring system with mass m, spring constant k, and damping constant b is...
13. A damped mass-spring system with mass m, spring constant k, and damping constant b is driven by an external force with frequency w and amplitude Fo. 2662 where, wo is the (a) Show that the maximum oscillation amplitude occurs when w = natural frequency of the system. where, wd is the (b) Show that the maximum oscillation amplitude at that frequency is A = frequency of the undriven, damped system.
Mullewand 1) When a quitar string plays the note "A') the string vibrates at 440 Hz. What is the period of the vibration? 2) In the aftermath of an intense earthquake, the earth as a whole "rings" with a period of 54 minutes. What is the frequency (in Hz.) of this oscillation?
A force transduce r is a mass-spring-damper system. When an external force is applied to the mass, the spring displacement is measured that indirectly represents the level of the force. The system dynamics is 8 7 (a) Convert the system dynamics into the standard form +2wnx Kownf by calculating the values of Ko-, ah in terms of the physical parameters M, B, K. (8%) (b) Calculate the transmissyde)l, force. (Hint: write down the transfer function first.) (7%) missibility Trere o...
2 criticalF m 2m2 A) For a frictionless system, resonance occurs when the system is driven at the natural frequency wo vk/m. If we take the friction out of the spring-mass system. we're studying, we have m 1 and k 26 still. Calculate the natural frequency of this frictionless system, compare it to the critical driving frequency for the system with friction included, and draw a conclusion about the effect of friction on the frequency at which resonance occurs. B)...
A pipe carrying steam through a section of a factory vibrates violently when the driving pump hits a speed of 300 RPM. In an attempt to suppress the pipe vibrations completely, an absorber tuned to 300 RPM is attached 4 The steam carrying pipe with the absorber in place can be modelled as shown in Figure Q4 below (a) Develop expressions for the amplitudes of the motion of the pipe and the (12) absorber masses as a function of the...
Test Consider a two-degrees-of-freedom system shown below. ド. PN What is the amplitude of vibration (particular solution only) of mass 2 (at the input frequency)? The answer must be positive. Keep 3 significant figures, and omit units. Use m1 2 kg m2 4 kg k1 147 N/m k2 146 N/m K3 192 N/m F1 # 411 cos(0.50 N Note that the system is not damped. The homogeneous response does not decay to zero. The masses vibrates at three different frequencies...
13. A damped mass-spring system with mass m, spring constant k, and damping constant b is driven by an external force with frequency w and amplitude Fo. 2662 where, wo is the (a) Show that the maximum oscillation amplitude occurs when w = natural frequency of the system. where, wd is the (b) Show that the maximum oscillation amplitude at that frequency is A = frequency of the undriven, damped system.
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