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

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Report 1,problem 3[edit]

Problem Statement[edit]

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

Mass.spring.dash.jpg

Free Body Diagram[edit]

FBD1.3.jpg

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

Kinetics[edit]

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)