A Mechanical Text book Or Introduction to the Study of Mechanics
The book A Mechanical Text book Or Introduction to the Study of Mechanics was written by author William John Macquorn Rankine Here you can read free online of A Mechanical Text book Or Introduction to the Study of Mechanics book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Mechanical Text book Or Introduction to the Study of Mechanics a good or bad book?
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When the velocity of rubbing is about four or five feet per second, the elevation of temperature is found to be, with good fatty and soapy unguents, 40 to 50 Fahr. , with good mineral ungiients, about 30. The effect of friction upon the efficiency of machines will be considered at the end of this Part. 403. Work of Acceleration. In order that the velocity of a body's motion may be changed, it must be acted upon by some other body with a force in the direction of the change of velocity, which fo...rce is proportional directly to the change of velocity, and to the mass of the body acted upon, and inversely to the time occupied in pro- ducing the change. If the change is an acceleration or increase of velocity, let the first body be called the driven body, and the second WORK OF ACCELERATION. 253 the driving body. Then the force must act upon the driven body in the direction of its motion. Every force being a pair of equal and opposite actions between a pair of bodies, the same force which accelerates the driven body is a resistance as respects the driving body.
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