University of Florida/Egm4313/s12.team11.imponenti/R1.3

Report 1,problem 3

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Problem Statement

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For the spring-dashpot-mass system shown, draw the FBDs and derive the following equation of motion

 

 

Free Body Diagram

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Where fI is the resistive force from both the spring and dash-pot and f(t) is our applied force.

Kinetics

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Newton's second law of motion in the y-direction

Σ  where  

which can be re-written as

                   

Egm4313.s12.team11.imponenti 03:01, 30 January 2012 (UTC)