Irodov Problem 4. The rod experiences five forces - i the two normal reactions N1 and N2 from each of the two rotating wheels ii the forces of friction kN1 and kN2 acting in a direction so as to oppose the relative motion between the rotatig wheel and the rod and iii the force of gravity mg the pulls the rod down. Considering the forces on the rod in the vertical direction we have, Considering forces on the rod in the horizontal direction we have, In 2 , m is the mass of the rod and x the location of the CG of the rod. The location of the CG at the equilibrium position at the center of the wheels is considered to be the origin. Now let us consider the torques acting on the rod due to the five forces about the CG of the rod. Since the forces of gravity and those due to friction pass through the CG of the rod, they impose no orque on the rod.
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You can download it from the links provided below. These classic texts have been designed so as to work as elementary textbooks which play a crucial role in building the concepts from scratch as in-depth knowledge of concepts is necessary for students preparing for various entrance examinations.
This book on Problems in General Physics containing about problems with hints for solving the most complicated ones has been designed for students studying an advanced course in Physics. Each chapter in the book opens with a time-saving summary of the principal formulas for the relevant area of physics.
As a rule, the formulas are given without a detailed explanation. Explanatory notes are given in those cases where misunderstandings may arise. The author has used all formulas in the SI system, except in Part six where the Gaussian system has been used. Also, the main physical constants and tables are summarized at the end of the book along with the Periodic System of Elements and Table of Elementary Particles also covered in the book.
At the beginning of each chapter summary of principal formulas has been given for clarifying relevant basic concepts. Each chapter consists of a large number of topic wise problems. Answers and Solutions to the practice exercises have been given at the end after Part six. Hope this book on Problems in General Physics from the Classic Text Series will help the readers get in-depth insight into the various problems in general physics. From inception till the book comes out from print, the whole team comprising of authors, editors, proofreaders and various other involved in shaping the book put in their best efforts, knowledge, and experience to produce the rigorous content the students receive.
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I E Irodov Problems in General physics with Solution PDF
Problems in General Physics