Forced Mass on Spring: Amplitude of Vibration Calculation

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Homework Help Overview

The problem involves a mass-spring system where a 2kg mass is attached to a spring with a spring constant of 3.92 x 103 N/m. The system is subjected to forced vibrations by an alternating force, and the goal is to determine the amplitude of vibration at a specific frequency.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants discuss relevant equations and resources that may assist in solving the problem. There is an emphasis on gathering information and understanding the context of forced vibrations.

Discussion Status

Some participants have shared links to resources that may provide useful equations and insights into the problem. There appears to be an ongoing exploration of relevant materials rather than a focus on direct problem-solving.

Contextual Notes

Participants are actively seeking additional information and resources, indicating a potential lack of familiarity with the equations governing forced vibrations.

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Homework Statement



A mass of 2kg is hung on a spring of spring constant 3.92 x 103 Nm-1. The natural frequency for the system is wo = 44.3 s-1. The system is forced to vibrate by an alternating force of amplitude
F = 2 cos (wt) Newtons.
What is the amplitude of vibration when w = 20 s-1



Homework Equations





The Attempt at a Solution

 
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You should find this link useful in order to gather up some relevant equations and show an attempt to solve the problem: http://ltcconline.net/greenl/courses/204/appsHigherOrder/forcedVibrations.htm"
 
Last edited by a moderator:
thankyou very much, i have been searching for ages to find a page as useful as that
 

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