Q2. A damped masS-spring oscillator consist of a mass m attached to a spring fixed at one end, as shown in Figure. Equilibrium point Figure: Damped Mass-Spring Oscillator The Newton's second law implies that the position y(t) of the mass m is govemed by the second-order differential equation my"(t) + by'(t) + ky(t) = 0 ,
Theory and Design for Mechanical Measurements
Measurement is a term that refers to analyzing a manufactured component regarding the degree of accuracy for dimensions, tolerances, geometric profile, roundness, flatness, smoothness, etc. Measurement always involves comparing the manufactured component or the prototype with a standard specimen whose dimensions and other parameters are assumed to be perfect and do not undergo changes with respect to time.Precisely in mechanical engineering the branch that deals with the application of scientific principles for measurements is known as metrology. The domain of metrology in general deals with various measurements like mechanical, chemical, thermodynamic, physical, and biological measurements. In mechanical engineering, the measurements are limited to mechanical specific such as length, mass, surface profile, flatness, roundness, viscosity, heat transfer, etc.
Basic principles of engineering metrology
Metrology is described as the science of measurement, precision, and accuracy. In other words, it is a method of measurement based on units and predefined standards.
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![where the terms are physically identified as
[inertia] y" + [damping] y' + [stiffness] y = 0.
(a) Determine the equation of motion for a spring system when m = 36 kg,b =
12 kg/sec (which is equivalent to 12 N – sec/m), k = 37 kg/sec², y(0) = 0.7 m
and y' (0) = 0.1 m/sec.
(b) After how many seconds will the mass first cross the equilibrium point?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6de0510f-8ea4-4ee3-ad1f-49c5525dd3ba%2F21c7d53e-0630-4f0a-9393-d9aab1c58eee%2Fht10wba_processed.png&w=3840&q=75)
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