Why is resonance works best when the frequency of the applied force matches the system's frequency

Q: Subject - Determine the effects of sound and vibration related to building services and human…

A: However, the acoustic features of the structure, as well as any commotion made within or allowed to…

Q: The left end of a taut string of length L, is connected to a vibrator with a fixed frequency f. The…

A: frequency,f=P2lTewhere,P=no. of loopsT=mg=tension in the stringf, l, e are constantsPT=CPmg=CPm=C

Q: A creep experiment was performed on the mesenchymal cell with a 4.5 N force. Knowing that cellular…

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Q: A vibrating machine is isolated from the floor using springs. If the ratio of excitation frequency…

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Q: Why are the mass, damping and stiffness matrices symmetrical in 2-D system vibration?

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Q: A 9 kg weight is attached to a spring with constant k = 144 kg/m and subjected to an external force…

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Q: Resonance occurs when o is equal to.

A: Given: Equation of motion for a spring-mass system excited by a harmonic force is:   M=F cosωtwhere,…

Q: Let's consider a harmonic oscillator. The total energy o this oscillator is given by E=(p?/2m)…

A: Given: Harmonic oscillator with equation To Find: A) graph B) k= 6N/m and m=3 kg  and xmax=2.3m…

Q: The reading of a spring balance is from 0 to 200 N and is 10 cm long. A body suspended from the…

A: Given, Weight capacity of spring balance = W = 200 N Maximum reading = x = 10 cm = 0.1 m Natural…

Q: .Indicate whether each of the following statements is true or false: 1. The amplitude of an undamped…

A: As per bartleby guidelines we are allowed to solve only 1st 3 subparts if multiple subparts are…

Q: I- If a rigid body undergoing planar motion, it has at most II- Second moment of force (F.r) is…

A: To find :- Fill in the blanks

Q: A vibrating machine is isolated from the floor using springs. If the ratio of excitation frequency…

A: Given:r=0.5

Q: A creep experiment was performed on the mesenchymal cell with a 4.5 N force. Knowing that cellular…

A: Solution: Given Data: F=4.5 NKs=3500 N/mηD=658 N-s/mδ=3.5 mm

Q: What is the period of vibration of a system that has k=5000 and m-55 kg 0.612 sec O 0.658 sec O…

A:

Q: 4. A simple spring mass vibrating system has a natural frequency of N. If the spring stiffness is…

A: Given, Initial natural frequency = f1 = N Initial spring stiffness = k1 Final spring stiffness = k2…

Q: Sportsman with a mass of 90 kg at the end of the flexible springboard with a 1 m console 2 Hz…

A: We have to find stiffness

Q: What are the measurement units of noise? How can we measure the sound pressure level of the noise…

A: The measurement unit of noise is Decibels.

Q: 4) Answer one only (A) An end of a combined string has a linear mass density of 8.00 kg/m, whereas…

A: Given data: -  The linear mass density of first string is ρ1 = 8.00 kg/m. The linear mass density…

Q: Vibrations Question The governing equation of motion for a base motion system is given by (assume…

A:

Q: True or false Degree of freedom of a mechanical system define its configuration by the number of…

A: Degree of freedom of a mechanical system define its configuration by the number of independent…

Q: a simple mathematical model by considering the elasticity, mass, and damping of the seat, human…

A:

Q: 4. The response of a system with a degree of release to the base excitation, y(t), can be determined…

A: Option b is correct

Q: Two strings, A and B, have respective mass densities µA and µB respectively. The linear mass…

A: The ratio between the mass of any object to the volume of that object is known as the density of…

Q: 1. The amplitude of an undamped system will not change with time. 2. A system vibrating in air can…

A: We have to tell if the statements are true or false

Q: A car has a natural frequency of 20 m/s without passengers, when there are passengers inside it has…

A: Natural frequency of car without passenger is given by, ωn=km rad/sec where, k = stiffness of car…

Q: Discuss about degree of freedom of a vibrating mechanical system having 3 dimentions?

A: The minimum number of independent co-ordinates required to completely define the positions of a…

Q: Suppose the frequency of a system is measured to be 2rad/s and after the addition of another mass…

A: Solution:

Q: The left end of a taut string of length L, is connected to a vibrator with a fixed frequency f. The…

A: Given:

Q: Give definition of unreliability F(t)of a component as function of time.

A:

Q: Example of Vibration System Analysis. Include appropriate model and complete label for mass,…

A: Dear Students Example of Vibration system analysis is given in below-

Q: In general, when a two degree of freedom system without external forcing, is subjected to a general…

A: To choose: The correct option. Explanation: Two degree of freedom: Systems that require two…

Q: Determine natural frequency of 200 kg mass? N 2 x 105 m 1.5 m 1.5 m 3 x 105 m

A: A beam with length of 3 m is attached with the two spring directly at the middle of beam with known…

Q: In the shown figure, let m1 = 1 kg, m2 = 2 kg, k1 = k3 = 100 N/m and k2 = 200 N/m. Write the…

A: Draw the free-body diagram of the block 1 and 2,

Q: Calculate natural frequency of a mass of 100 kg suspended from a spring having a stiffness of 56…

A: Given data: Mass (m)=100 kg Spring constant (k) = 56 kN/m Need to calculate the natural frequency of…

Q: 22. A 0.50-kg mass is hung from a spring (k = 18 N/m), and released. What is the frequency of its…

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Q: The Figure shows spring-mass system. what is the natural frequencies of the system? (two answers)

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Q: If a damped oscillator has the following characteristics: m = 2 kg; xo = 90 cm; k = 17 Nm"1; da = 11…

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Q: 27. A spring is stretch 9 cm when a given mass hung from it. What is the frequency of the vibrating…

A: Elastic vibration in which there are no friction and external forces after the initial release of…

Q: 8) Let m2 and k2 are parts of vibration absorption. What is the ratio of k2/m2 that make the…

A:

Q: Consider a place where the gravity is 4 times the gravity on Earth (g' = 4g), %3D then the frequency…

A: Since you have asked multiple questions in a single request we would be answering only the first…

Q: (q4) What is the frequency of the first harmonic? Let's say you now measure the length of the string…

A: (4) Write the expression for frequency of first harmonics. μ=ml

Q: If the natural frequency of a spring mass system on earth is f, its natural frequency on moon where…

A: Natural frequency of the spring-mass system is given by, f = 12πkm Where,  k = Stiffness of spring m…

Q: The figure shows spring-mass system. What is the frequency condition of resonance phenomenon in…

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Q: What is the amplitude of oscillation of the 30 kg block of the system? - 2000 sin 1004 N 4 x 10° N/m…

A:

Q: The natural frequency of a 65-kg person illustrated in Figure P.11 is measured along vertical, or…

A: Given Data The mass of the person is: m=65 kg The frequency is: fn=4.5 Hz The length of the person…

Q: A simple spring mass vibrating system has a natural frequency of N. If the spring stiffness is…

A:

Q: A 50 kg machine is mounted on an isolator with a stiffness of 6 x 10^5 N/m. During operation, the…

A: Given data: ◆ The mass of the machine: m = 50 kg ◆ The stiffness of the isolator: k = 6 × 105 , N/m…