# Equation of Motion of a System

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Solution includes a .doc file to show how to calculate the equation of motion for a spring-mass-damper.

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Equation of Motion: Spring Mass System Example

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A certain engineering system can be represented by mass in a spring, as shown in Figure 1. If the mass is pulled downwards and then released, it oscillates on the spring. Using Newton's second law, a homogeneous second-order differential equation can be set up as below (see attached).

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