Analysis of Perfect Frames
INTRODUCTION A frame may be defined as a structure, made up of several bars, riveted or welded together. These are made up of angle irons or channel sections, and are…
Support Reactions
INTRODUCTION In our day-to-day work, we see that whenever we apply a force on a body, it exerts a *reaction, e.g., when a ceiling fan is hung from a girder, it is…
Simple Lifting Machines
INTRODUCTION In the last chapter, we have discussed the principles of lifting machines. Now in this chapter, we shall discuss the applications of these principles on a few lifting machines.…
Microsoft Windows history
See the codename definition for a listing of Microsoft codenames.MS-DOS history.YearEvent1983Bill Gates announced Microsoft Windows on November 10, 1983.1985Microsoft Windows 1.0 was introduced on November 20, 1985, and was initially sold for $100.00.1987Microsoft Windows 2.0 was released on December…
Principles of Lifting Machines
INTRODUCTION In olden times, thousands of slaves had to be arranged, whenever a heavy load had to be lifted or dragged. Even today, in the absence of a suitable device,…
Applications of Friction
INTRODUCTION In the last chapter, we have discussed the principles of friction of various types. Though these principles have a number of applications in Engineering-science, yet the following are important…
Microsoft Windows tips
ReferenceTipWindowsDictionary definition and related links on Microsoft Windows.ShortcutMicrosoft Windows keyboard shortcuts.HistoryThe history of the Microsoft Windows.TIP23Quickly scroll to an item in a list or drop down.TIP27Print only sections of a…
Principles of Friction
INTRODUCTION It has been established since long that all surfaces of the bodies are never perfectly smooth. It has been observed that whenever, even a very smooth surface is viewed…
Moment of Inertia
INTRODUCTION We have already discussed in Art. 3.2 that the moment of a force (P) about a point, is the product of the force and perpendicular distance (x) between the…
How to shut down a computer
Shutting down a computer closes all the programs that are open and exits the operating system safely so hardware isn't damaged and your operating system isn't corrupted. The following article…
