7.9 design an undamped isolator for a 30kg mass subjected to a harmonic forcing function whose...
7.9 design an undamped isolator for a 30kg mass subjected to a harmonic forcing function whose amplitude and frequency are 1000N and 20hz. the isolator should transmit to the base no more than 10% of the applied force. Determine the resulting displacement amplitude.
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7.9 design an undamped isolator for a 30kg mass subjected to a
harmonic forcing function whose...
A 50 kg mass is subjected to the harmonic force F(t) 1000 cos 120t N. Design...
A 50 kg mass is subjected to the harmonic force F(t) 1000 cos 120t N. Design an undamped isolator so that the force transmitted to the base does not exceed 5% of the applied force. Also find the displacement amplitude of the mass of the system with isolation. (k- 34.2857 x 103 VX -1.4583 x 10-3m)
EXam 2 Name: 1. A n undamped vertical system consists of a mass weighing 100 N...
EXam 2 Name: 1. A n undamped vertical system consists of a mass weighing 100 N and a spring of stiffness 5000 N/m. It is acted on by a harmonic force of amplitude 80 N and frequency 5 Hz. Find i) The displacement of the spring due to the weight of the mass, The static displacement of the spring due to the maximum applied force, and The amplitude of forced motion of the mass for zero initial conditions iii)
IlI. Vibration isolation taking into account the stiffness of the beam A machine subject to a sin...
IlI. Vibration isolation taking into account the stiffness of the beam A machine subject to a single frequency harmonic excitation of the form F()Fo sin at is to be analyzed over a range of frequencies ω, < ω < ω.. The machine is mounted on a beam at a location where the of equivalent stiffness is keg. The model of a machine mounted on a damped isolator then attached to a beam of negligible mass is Fosinut xit) yit) kea...
The bar of mass M is subjected to the action of the harmonic force F Fo...
The bar of mass M is subjected to the action of the harmonic force F Fo cosot. Write the equation which describes the total motion (steady state transient). Initial conditions are zero. Determine the frequency of applied force at which resonance will occur? Given: M-20kg Fo 90 N a)-5 rad/s k-100 N/m C-25 N s/m
help with 1-3 1) A simple harmonic oscillator consists of a 0.100 kg mass attached to...
help with 1-3
1) A simple harmonic oscillator consists of a 0.100 kg mass attached to a spring whose force constant is 10.0 N/m. The mass is displaced 3.00 cm and released from rest. Calculate (a) the natural frequency fo and period T (b) the total energy , and (c) the maximum speed 2) Allow the motion in problem 1 to take place in a resisting medium. After oscillating for 10 seconds, the maximum amplitude decreases to half the initial...
A reciprocating pump weighing W-150 lb, is mounted at a middle of a steel plate of thickness 0.5 ...
A reciprocating pump weighing W-150 lb, is mounted at a middle of a steel plate of thickness 0.5 in., width of 20 in., and clamped along two edges as shown. During operation of pump, the plate is subjected to a harmonic force Ft)-Fo.t) ibl. 0.5 in. Fio),x(t) 100 in. where the amplitude of harmonic force is F俨50 lh and its angular frequency: 62.832 radls Model the system as a simple spring and mass system in the horizontal plane. The mass...
Consider a single degree of freedom (SDOF) with mass-spring-damper system
Consider a single degree of freedom (SDOF) with mass-spring-damper system subjected to harmonic excitation having the following characteristics: Mass, m = 850 kg; stiffness, k = 80 kN/m; damping constant, c = 2000 N.s/m, forcing function amplitude, f0 = 5 N; forcing frequency, ωt = 30 rad/s. (a) Calculate the steady-state response of the system and state whether the system is underdamped, critically damped, or overdamped. (b) What happen to the steady-state response when the damping is increased to 18000 N.s/m? (Hint: Determine...
A second order mechanical system of a mass connected to a spring and a damper is subjected to a s...
A second order mechanical system of a mass connected to a spring and a damper is subjected to a sinusoidal input force mx+cx + kx = A sin(at) The mass is m-5 kg, the damping constant is c = 1 N-sec/m, the spring stiffness is 2 N/m, and the amplitude of the input force is A- 3 N. For this system give explicit numerical values for the damping factor 5 and the un-damped natural frequency Using the given formulas for...
Design dala Observalion deck mass m-25,000 k Danong ratio 0.5% Figure 91. Determine the equation of motion ofthe ๒wer teevibraorntheform (15 marks) mitt) + car)+xt)- where xt) is the horizontal displ...
Design dala Observalion deck mass m-25,000 k Danong ratio 0.5% Figure 91. Determine the equation of motion ofthe ๒wer teevibraorntheform (15 marks) mitt) + car)+xt)- where xt) is the horizontal displacement of the top of the tower b) Determine the damped natural frequency, fa (in Hz) of the tower (10 marks) ) A radar device, which inckdes a large rotaling eccentic mass, has been (30 marks) nstalled at the top of the tower Unfortunately, it has a trequency of rotation...
PROBLEMS 89 3-30. A system composed of a mass of S kg and an elastic member having a modulus of 4...
Please answer 3-34 and 3-35. Please provide all steps so I can
follow along.
PROBLEMS 89 3-30. A system composed of a mass of S kg and an elastic member having a modulus of 45 N/m is less than critically damped. When the mass is givén an initial displacement and released from rest, the overshoot (the displacement attained past the equilibrium position) is 25% Determine the dam ping factor and the damping constant. 3-31. A mass-spring system is critically damped....
A 50 kg mass is subjected to the harmonic force F(t) 1000 cos 120t N. Design an undamped isolator so that the force transmitted to the base does not exceed 5% of the applied force. Also find the displacement amplitude of the mass of the system with isolation. (k- 34.2857 x 103 VX -1.4583 x 10-3m)
EXam 2 Name: 1. A n undamped vertical system consists of a mass weighing 100 N and a spring of stiffness 5000 N/m. It is acted on by a harmonic force of amplitude 80 N and frequency 5 Hz. Find i) The displacement of the spring due to the weight of the mass, The static displacement of the spring due to the maximum applied force, and The amplitude of forced motion of the mass for zero initial conditions iii)
IlI. Vibration isolation taking into account the stiffness of the beam A machine subject to a single frequency harmonic excitation of the form F()Fo sin at is to be analyzed over a range of frequencies ω, < ω < ω.. The machine is mounted on a beam at a location where the of equivalent stiffness is keg. The model of a machine mounted on a damped isolator then attached to a beam of negligible mass is Fosinut xit) yit) kea...
The bar of mass M is subjected to the action of the harmonic force F Fo cosot. Write the equation which describes the total motion (steady state transient). Initial conditions are zero. Determine the frequency of applied force at which resonance will occur? Given: M-20kg Fo 90 N a)-5 rad/s k-100 N/m C-25 N s/m
help with 1-3
1) A simple harmonic oscillator consists of a 0.100 kg mass attached to a spring whose force constant is 10.0 N/m. The mass is displaced 3.00 cm and released from rest. Calculate (a) the natural frequency fo and period T (b) the total energy , and (c) the maximum speed 2) Allow the motion in problem 1 to take place in a resisting medium. After oscillating for 10 seconds, the maximum amplitude decreases to half the initial...
A reciprocating pump weighing W-150 lb, is mounted at a middle of a steel plate of thickness 0.5 in., width of 20 in., and clamped along two edges as shown. During operation of pump, the plate is subjected to a harmonic force Ft)-Fo.t) ibl. 0.5 in. Fio),x(t) 100 in. where the amplitude of harmonic force is F俨50 lh and its angular frequency: 62.832 radls Model the system as a simple spring and mass system in the horizontal plane. The mass...
A second order mechanical system of a mass connected to a spring and a damper is subjected to a sinusoidal input force mx+cx + kx = A sin(at) The mass is m-5 kg, the damping constant is c = 1 N-sec/m, the spring stiffness is 2 N/m, and the amplitude of the input force is A- 3 N. For this system give explicit numerical values for the damping factor 5 and the un-damped natural frequency Using the given formulas for...
Design dala Observalion deck mass m-25,000 k Danong ratio 0.5% Figure 91. Determine the equation of motion ofthe ๒wer teevibraorntheform (15 marks) mitt) + car)+xt)- where xt) is the horizontal displacement of the top of the tower b) Determine the damped natural frequency, fa (in Hz) of the tower (10 marks) ) A radar device, which inckdes a large rotaling eccentic mass, has been (30 marks) nstalled at the top of the tower Unfortunately, it has a trequency of rotation...
Please answer 3-34 and 3-35. Please provide all steps so I can
follow along.
PROBLEMS 89 3-30. A system composed of a mass of S kg and an elastic member having a modulus of 45 N/m is less than critically damped. When the mass is givén an initial displacement and released from rest, the overshoot (the displacement attained past the equilibrium position) is 25% Determine the dam ping factor and the damping constant. 3-31. A mass-spring system is critically damped....
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