Articles liés à How Things Work: The Physics of Everyday Life
L'édition de cet ISBN n'est malheureusement plus disponible.
Quatrième de couverture
Though his moves appear magical, this skateboarder is performing his stunts entirely within the laws of physics. More importantly, he is making those laws real and relevant. This book is all about putting the laws of physics in context. By finding physics in the objects of everyday experience, How Things Work transforms the field from a remote and abstract academic discipline into the essential basis for understanding our world and everything in it.
Our skateboarder illustrates the same physics we′ll explore in the first two chapters of this book. Like someone who is skating (Section 1.1), he spends much of his time coasting forward because of his own inertia. But his recent trip up a ramp (Section 1.3) has lifted him high above the ground so that he is subject only to his weight–the downward pull of gravity–and travels in the arc of a falling ball (Section 1.2).
Of course, since both he and the board rotate like seesaws (Section 2.1) as they fall, landing safely is more than half the challenge. His concentration is a sure sign that he intends to ride the skateboard back down the slope on its friction–reducing wheels (Section 2.2) in another second or two. However, if he makes a mistake and collides with something, as he would in a bumper car(Section 2.3), it′s Reassuring to note that he′s warning a helmet.
If this all sounds rather ordinary, it′s because physics is ordinary. It′s everywhere you look. But understanding physics well will require some guidance and thought, so it′s time to venture inside this book.
Quatrième de couverture
How Things Work is written for anyone who has ever wondered how a microwave oven cooks food, who has tried to fix a leaking water faucet, or who has hesitated to pay more for a halogen lamp. As it examines familiar objects – bathroom scales, televisions, photocopiers, airplane engines, and ocean waves – How Things Work presents the basic principles of physics in contexts that make them understandable and relevant. In doing so, it demonstrates the power of physics to explain and predict a multitude of phenomena with just a few basic principles and shows how these beautiful principles are woven through the fabric of everyday life. A skillful pitcher uses the air to make a baseball curve in flight on its way to the batter. The way in which the ball curves depends its spin. The word flight is especially appropriate here because a spinning ball interacts with the air in much the same way that an airplane does (Section 4.3). The violin’s bridge does more than simply support its string. It also rocks back and forth as the strings vibrate, conveying their motions to the violin’s sound board. Most of the sound we hear as a violinist draws a bow across the strings is produced by the moving sound board (Section 9.2). For an object that touches the ground at only two points, a moving bicycle is remarkably stable. It remains upright because its front wheel automatically steers it under the rider’s weight as the two travel forward. This stabilizing effect even makes it possible to ride a bicycle without hands (Section 5.2).
Les informations fournies dans la section « A propos du livre » peuvent faire référence à une autre édition de ce titre.
- ÉditeurJohn Wiley & Sons Inc
- Date d'édition2001
- ISBN 10 0471417092
- ISBN 13 9780471417095
- ReliureBroché
- Langueanglais
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