F(t) 1. The spring-mass system shown in the figure has • m=40kg, • k = 38.6kN...
A pendulum of length L and mass M has a spring of force constant k connected to it at a distance h below its point of suspension (as shown in the following figure). Find the frequency of vibration of the system for small values of the amplitude (small ?). Assume that the vertical suspension of length L is rigid, but ignore its mass. (Use any variable or symbol stated above along with the following as necessary: g and ?.) f...
A pendulum of length L and mass M has a spring of force constant k connected to it at a distance h below its point of suspension (as shown in the following figure). Find the frequency of vibration of the system for small values of the amplitude (small ?). Assume that the vertical suspension of length L is rigid, but ignore its mass. (Use any variable or symbol stated above along with the following as necessary: g and ?.) f...
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.
2 with spring stiffness k 1000 N/m, Consider a mass-spring-damper system shown in Figure mass m = 10 kg, and damping constant c-150 N-s/m. If the initial displacement is xo-o and the initial velocity is 10 m/s (1) Find the damping ratio. (2) Is the system underdamped or overdamped? Why? (3) Calculate the damped natural frequency (4) Determine the free vibration response of the system.
A spring with k = 245 N/m has a mass of m = 4.35 kg attached to it. An external force F whose maximum value is 825 N drives the spring mass system so that it oscillates without any resistive forces. If the amplitude of the oscillatory motion of the spring-mass system is 3.65 cm, find the frequency of the external force that drives this motion. Hz
Exercises 1. (introduction) Sketch or plot the displacement of the mass in a mass-spring system for at least two periods for the case when Wn-2rad/s, 괴,-1mm, and eto =-v/5mm/s. 2. (introduction) The approximation sin θ ะ θ is reasonable for θ < 10°. If a pendulum of length 0.5m, has an initial position of 0()0, what is the maximum value of the initial angular velocity that can be given to the pendulum without violating this smll angle approximation? 3. (harmonic...
2. A spring with constant 1.46 N/m has an unknown mass attached to it. It is pulled a set distance and released from rest. The resulting graph for position of the unknown mass as a function of time is shown below. Oscillating Mass-Spring System 08 0.6 0.4 02 position (m) 0 -02 5 -0.6 -0.8 1 time (s) a) What is the frequency? b) What is the amplitude? c) What is the angular frequency? d) What is the mass being...
Can I get help with this 2. (20 points) The damped single degree-of-freedom mass-spring system shown below has a mass m- 20 kg and a spring stiffness coefficient k 2400 N/m. a) Determine the damping coefficient of the system, if it is given that the mass exhibits a response with an amplitude of 0.02 m when the support is harmonically excited at the natural frequency of the system with an amplitude Yo-0.007 m b) Determine the amplitude of the dynamic...
10. + 0/1 points Previous Answers OSUniPhys1 15.6.WA.048. My Notes vion of the spring-mass system A spring with k = 220 N/m has a mass of m = 4.25 kg attached to it. An external force F whose maximum value is 825 N drives the spring mass system so that it oscillates without any resistive forces. If the amplitude of the Commuy is 3.85 cm, find the frequency of the external force that drives this motion. 11.25 What is the...