Elements of Mechanics; Forty Lessons for Beginners in Engineering
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In our eReader you can find the full English version of the book. Read Elements of Mechanics; Forty Lessons for Beginners in Engineering Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Elements of Mechanics; Forty Lessons for Beginners in Engineering
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To quickly assess the difficulty of the text, read a short excerpt:
i68. In Fig. 74 let W=ioo pounds, P=3o pounds acting at the middle of the height, AB=6 feet and 4C=i8 feet.
Is the body stable against rotation?
169. For the last problem find where the resultant of the forces W and P cuts the base AB.
170. A table 3 feet square has its top projecting 3 inches beyond the four legs. If the table weighs 27 pounds, what weight hung from one of the corners will overturn it?
72 Resistance and Work Chap, iv CHAPTER IV RESISTANCE AND WORK Art. 18. Resisting Forces An ...' applied force ' is one exerted upon a body by an exterior force, like muscular effort, gravity, pressure, or pull. Such applied forces may cause the body to move or they may meet with resistance which prevents motion. A ' resisting force ' is one that opposes the applied force and which disappears when the applied force is removed. For example, if a beam is placed upon a support, its weight acts downward and an upward re- sisting force called the ' reaction of the support ' is gener- ated; if a force is applied to slide a body which rests on a table, a resisting force called ' friction ' comes into play; if a wagon is drawn, a force called 'traction resist- ance ' opposes the motion; if a ball is thrown by the hand, a resisting force called ' inertia ' is felt.
What to read after Elements of Mechanics; Forty Lessons for Beginners in Engineering?
You can find similar books in the "Read Also" column, or choose other free books by Mansfield Merriman to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
i68. In Fig. 74 let W=ioo pounds, P=3o pounds acting at the middle of the height, AB=6 feet and 4C=i8 feet.
Is the body stable against rotation?
169. For the last problem find where the resultant of the forces W and P cuts the base AB.
170. A table 3 feet square has its top projecting 3 inches beyond the four legs. If the table weighs 27 pounds, what weight hung from one of the corners will overturn it?
72 Resistance and Work Chap, iv CHAPTER IV RESISTANCE AND WORK Art. 18. Resisting Forces An ...' applied force ' is one exerted upon a body by an exterior force, like muscular effort, gravity, pressure, or pull. Such applied forces may cause the body to move or they may meet with resistance which prevents motion. A ' resisting force ' is one that opposes the applied force and which disappears when the applied force is removed. For example, if a beam is placed upon a support, its weight acts downward and an upward re- sisting force called the ' reaction of the support ' is gener- ated; if a force is applied to slide a body which rests on a table, a resisting force called ' friction ' comes into play; if a wagon is drawn, a force called 'traction resist- ance ' opposes the motion; if a ball is thrown by the hand, a resisting force called ' inertia ' is felt.
What to read after Elements of Mechanics; Forty Lessons for Beginners in Engineering?
You can find similar books in the "Read Also" column, or choose other free books by Mansfield Merriman to read onlineMoreLess
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