Consider the system shown, with mi·m2·1kg, k1" 4 N/m.k2" 1 N/m. and damping proportional to stiff...
Homework 8: Modal and Direct Solution Approaches Figure 1 shows a system with two masses. The two coordinates of which the origins are set up at the unstretched spring positions are also shown in Fig. 1. The system is excited by the force f(t) 1. (a) Draw the FBDs for the system and show that the EOMs can be written as (b) Find the undamped, natural frequencies and the corresponding mode shapes of the system for the given system parameters...
The following differential equation is the equation of motion for an ideal spring-mass system with damping and an external force F(t) m. x C. x If m1 = 1kg, c = 5N.s/m, k = 4 N/m F(t) = 2N And x'(0)=x(0)=0 Find the solution of this differential equation using Laplace transforms. F(t) 7m The following differential equation is the equation of motion for an ideal spring-mass system with damping and an external force F(t) m. x C. x If m1...
consider the system shown where m=50kg, c=200N.s/m, k1=350N.m, and k2=550N.m. The free end of the spring k2 is excited by y(t)=0.4sin3t(m) as shown 4. Consider the system shown where m = 50 kg, c = 200 N.s/m, ki = 350 N.m, and k2 = 550 N.m. The free end of the spring ky is excited by y(t) = 0.4 sin 3t (m) as shown (20 points) a) Determine the equation of motion of the system. b) Determine the natural frequency...
ONLY attempt to solve if you know what you are doing. A mass of 1 kg is attached to a spring whose constant is 5 N/m. Initially, the mass is released 1 m below the equilibrium position with a downward velocity of 5 m/s, and the subsequent motion takes place in a medium that offers a damping force that is numerically equal to 2 times the instantaneous velocit y. a) Find the equation of motion if the mass is driven...
8 1 A--kg mass is attached to a spring with stiffness 20 N/m. The damping constant for the system is 2 N-sec/m. If the mass is moved 4 quasiperiod, and quasifrequency. m/sec, determine the equation of motion of the mass and give its damping factor, 88 m to the left of equilibrium and given an initial leftward velocity of 15 15 What is the equation of motion? y(t) = (Type an exact answer, using radicals as needed.) The damping factor...
A 1-kg mass is attached to a spring with stiffness 10 N/m. The damping constant for the system is 7 N-sec/m. If the mass is pulled^ m to the left of equilibrium and given an initial rightward velocity of 4 m/sec a) Find and solve the equation of motion governing the system b) State the type of motion for the system? c) When will the mass first return to its equilibrium position?
Olt) 1422LLA 1. The system at the right is subject to the harmonic + x(t) force f(t) = Fo sin ot as shown, with amplitude 50 N and a forcing frequency due to a motor (not m shown) with speed = 191 rotations per minute (RPM). Mass m can only translate horizontally and the rod is pinned at point O. The parameters are: r = 5 cm, m= 10 kg, Jo = 1 kg m-, kı = 1000 N/m, ka...
P2. Consider f- 1N. k1-k2-10 N/m, c2 Ns/m. We would like to study the behavior of the displacement of mass m. k2 a) b) c) d) How long is it going to take the mass to reach steady state? What would be the displacement in steady state. What would be the maximum peak (if some) What can I do if I want to have it fully charged in 0.1 secs. IIm .r Obtain the EOM and solve for x(t) 5....
4. Consider the mechanical system shown below with a spring with stiffness, k (N/m), in parallel with a viscous damper with coefficient, h (Nós/m) and an externally applied force, Fexi(t) (N). u(t) a. Find the equation that relates the applied force, Fext(t) and the displacement, u(t). b. If the spring component has a stiffness of k = 75 N/m, the damper component has coefficient h = 50 N s/m and the externally applied force is a constant 4.5 N applied...