By Masud Chaichian, Hugo Perez Rojas, Anca Tureanu

"Basic strategies in Physics: From the Cosmos to Quarks" is the end result of the authors' lengthy and sundry educating adventure in several nations and for various audiences, and offers an obtainable and eminently readable advent to all of the major principles of contemporary physics. The book’s clean procedure, utilizing a unique blend of old and conceptual viewpoints, makes it perfect complementary interpreting to extra usual textbooks. the 1st 5 chapters are dedicated to classical physics, from planetary movement to important relativity, consistently protecting in brain its relevance to questions of latest curiosity. the following six chapters deal typically with more moderen advancements in physics, from quantum idea and normal relativity to grand unified theories, and the booklet concludes by means of discussing the position of physics in residing platforms. A easy grounding in arithmetic is needed of the reader, yet technicalities are refrained from so far as attainable; hence complicated calculations are passed over as long as the basic principles stay transparent. The publication is addressed to undergraduate and graduate scholars in physics and also will be favored by means of many pro physicists. it is going to likewise be of curiosity to scholars, researchers and academics of different traditional sciences, in addition to to engineers, high-school academics and the curious common reader, who will come to appreciate what physics is set and the way it describes the various phenomena of Nature. not just will readers of this publication examine a lot approximately physics, they are going to additionally learn how to love it.

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**Example text**

5) The scalar product is particularly useful in expressing the work performed by a force on a particle that describes an arbitrary trajectory between two points, P0 and P . At each point of the curve the force forms an angle with the tangent to the curve at the point. , and draw the corresponding chords S1 ; S2 ; S3 as vectors that join the points P0 , P1 , P2 , P3 , etc. Then take the value of the force at an arbitrary point inside each of these segments. , be the values of the force at such points (Fig.

The scalar product is commutative, A B D B A. Moreover, A A D A2 , that is, the modulus squared of a vector is given by the scalar product of the vector with itself. If A and B are perpendicular, then A B D 0. A B/. The unit vectors satisfy the properties i iDj jDk kD1 and i j D j k D k i D 0: 20 1 Gravitation and Newton’s Laws Fig. 14 The scalar product is used, for example, for calculating the work performed by a force. 5) The scalar product is particularly useful in expressing the work performed by a force on a particle that describes an arbitrary trajectory between two points, P0 and P .

M. Lifshitz, Mechanics, 3rd edn. (Butterworth-Heinemann, Oxford, 2000). A classical text on classical mechanics 7. M. Chaichian, I. Merches, A.