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The bar of mass M is subjected to the action of the harmonic force F Fo...
3 dismo plesis The spring mass damper system shown is subjected to a force f(t), which...
3
dismo plesis
The spring mass damper system shown is subjected to a force f(t), which is a step function. b m f(t) At time t=0, with zero initial conditions, the system is subjected to the force. The magnitude of the force is 4 newton, while the spring rate is 8.2 newton/meter, and the damping coefficient is 10 newton-sec/meter. Calculate the energy stored in the spring, in Joules, in steady state.
The following system is composed by two masses The first mass m, = 21 kg, moving...
The following system is composed by two masses The first mass m, = 21 kg, moving horizontally (x1, positive rightwards) • The second mass m2 = 2.4 kg, moving horizontally (X2. positive rightwards) The first mass is connected to the ground (on the left) by two springs, each with stiffness k = 201 N/m. The second mass is connected to the first mass by another spring, also with stiffness k = 201 N/m. A harmonic force is applied to the...
A driving force of the form F(t) = (0.212 N) sin (2xft) acts on a weakly...
A driving force of the form F(t) = (0.212 N) sin (2xft) acts on a weakly damped spring oscillator with mass 6.98 kg, spring constant 362 N/m, and damping constant 0.261 kg/s. What frequency fo of the driving force will maximize the response of the oscillator? fo = Hz Find the amplitude Ao of the oscillator's steady-state motion when the driving force has this frequency Find the amplitude Ap of the oscillator's steady-state motion when the driving force has this...
A spring-mass system with m-10 kg and k-5000 N/m is subjected to a harmonic force having...
A spring-mass system with m-10 kg and k-5000 N/m is subjected to a harmonic force having an amplitude of 250 N and frequency of ow. If the maximum amplitude of the mass is observed to be 100 mm, find the value of o. (Points 4/10)
A spring-mass system with m = 8 kg and k = 4000 N/m subjected to a...
A spring-mass system with m = 8 kg and k = 4000 N/m subjected to a harmonic force of amplitude 200 N and frequency (). When the mass of the system is increased by 20% from its original value, the amplitude of the forced motion of the new mass is observed to be 25% off the original one. Determine the frequency of the harmonic force and the amplitude of original system
F Fosin t m k 2 Figure Qla: System is subjected to a periodic force excitation (a) Derive the equation of motion of the...
F Fosin t m k 2 Figure Qla: System is subjected to a periodic force excitation (a) Derive the equation of motion of the system (state the concepts you use) (b) Write the characteristic equation of the system [4 marks 12 marks (c) What is the category of differential equations does the characteristic equation [2 marks fall into? (d) Prove that the steady state amplitude of vibration of the system is Xk Fo 25 + 0 marks (e) Prove that...
3.4. A harmonic oscillator with mass m, natural angular frequency wo, and damping constant r is...
3.4. A harmonic oscillator with mass m, natural angular frequency wo, and damping constant r is driven by an external force FCt) Fo cos(wot)N. W show that xp A sin(wot) is a solution if A Fo/rwo. rite the equation of motion and use it to
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)
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...
1. A spring-mass-damper system of M =0.05 Ib.s/in, K=15 lb/in, and C =0.7 Ib.s/in is subjected...
1. A spring-mass-damper system of M =0.05 Ib.s/in, K=15 lb/in, and C =0.7 Ib.s/in is subjected to a harmonic force F(t)=30 Cos (10t) Ibf. Determine: (a) The equation of motion of the system (b) The response as function of time (c) The value of the resonance frequency (d) The transmitted force (e) The range of frequencies for which greater force would be transmitted (f) Redesign the system such that only full force is transmitted to the foundation Plt) x(+)
3
dismo plesis
The spring mass damper system shown is subjected to a force f(t), which is a step function. b m f(t) At time t=0, with zero initial conditions, the system is subjected to the force. The magnitude of the force is 4 newton, while the spring rate is 8.2 newton/meter, and the damping coefficient is 10 newton-sec/meter. Calculate the energy stored in the spring, in Joules, in steady state.
The following system is composed by two masses The first mass m, = 21 kg, moving horizontally (x1, positive rightwards) • The second mass m2 = 2.4 kg, moving horizontally (X2. positive rightwards) The first mass is connected to the ground (on the left) by two springs, each with stiffness k = 201 N/m. The second mass is connected to the first mass by another spring, also with stiffness k = 201 N/m. A harmonic force is applied to the...
A driving force of the form F(t) = (0.212 N) sin (2xft) acts on a weakly damped spring oscillator with mass 6.98 kg, spring constant 362 N/m, and damping constant 0.261 kg/s. What frequency fo of the driving force will maximize the response of the oscillator? fo = Hz Find the amplitude Ao of the oscillator's steady-state motion when the driving force has this frequency Find the amplitude Ap of the oscillator's steady-state motion when the driving force has this...
A spring-mass system with m-10 kg and k-5000 N/m is subjected to a harmonic force having an amplitude of 250 N and frequency of ow. If the maximum amplitude of the mass is observed to be 100 mm, find the value of o. (Points 4/10)
F Fosin t m k 2 Figure Qla: System is subjected to a periodic force excitation (a) Derive the equation of motion of the system (state the concepts you use) (b) Write the characteristic equation of the system [4 marks 12 marks (c) What is the category of differential equations does the characteristic equation [2 marks fall into? (d) Prove that the steady state amplitude of vibration of the system is Xk Fo 25 + 0 marks (e) Prove that...
3.4. A harmonic oscillator with mass m, natural angular frequency wo, and damping constant r is driven by an external force FCt) Fo cos(wot)N. W show that xp A sin(wot) is a solution if A Fo/rwo. rite the equation of motion and use it to
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)
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...
1. A spring-mass-damper system of M =0.05 Ib.s/in, K=15 lb/in, and C =0.7 Ib.s/in is subjected to a harmonic force F(t)=30 Cos (10t) Ibf. Determine: (a) The equation of motion of the system (b) The response as function of time (c) The value of the resonance frequency (d) The transmitted force (e) The range of frequencies for which greater force would be transmitted (f) Redesign the system such that only full force is transmitted to the foundation Plt) x(+)
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