Chapter 8

Mechanical

8.1 Guidance

8.1.1 What is mechanical?

Mechanics is the branch of physics concerned with the motions of objects and their response to forces. Modern descriptions of such behaviour begin with a careful definition of such quantities as displacement (distance moved), time, velocity, acceleration, mass and force.

8.1.2 Introduction

There is often a tendency to underestimate the effect that the mechanical environment can have on the reliability of equipment, especially the effects of vibration and shock.

8.1.2.1 Mechanical stresses (shocks and vibration)

Mechanical stresses are normally attributed to a moving mass and there is often a tendency to underestimate the effect of the mechanical environment on the reliability of ...

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