Read technical mechanics Arcush. Guide to solving problems on theoretical mechanics

5th ed., Act. - M.: 2002. - 336 p.

The manual contains systematically selected typical tasks throughout the course, general guidelines and tips for solving problems. Solving tasks is accompanied by detailed explanations. Many tasks are solved in several ways.

For students of machine-building specialties of secondary special educational institutions. May be useful to students of technical universities.

Format: djvu. (2002 , 5th ed., Act., 336c.)

The size: 6, 2 MB

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Format: PDF.(1976 , 3rd ed., Act., 288c.)

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Content
Preface
Chapter I. Actions on vectors
§ 1-1. Addition of vectors. Rules parallelogram, triangle and polygon
§ 2-1. Decomposition of the vector into two components. Vector difference
§ 3-1. Addition and decomposition of vectors with graph-analytical method
§ 4-1. Project method. Vector projection on the axis. Vector projections for two mutually perpendicular axes. Definition of vector sum of projections
Section First Statistics
Chapter II. Flat system of converging forces.
§ 5-2. Addition of two forces
§ 7-2. Polygon forces. Determination of the equal convergent forces
§ 8-2. Equilibrium of converging power
§ 9-2. Equilibrium of three non-parallel forces
Chapter III. Arbitrary flat system forces
§ 10-3. Moment pair of forces. Addition of steam forces. Equilibrium pairs of power
§ 11-3. Moment of power relative to the point
§ 12-3. Determination of an independent arbitrary flat system of forces
§ 13-3. Varinone theorem
§ 14-3. Equilibrium arbitrary flat system forces
§ 15-3. Equilibrium, taking into account the forces of friction
§ 16-3. Articulated systems
§ 17-3. Statically defined farms. Cutting methods of nodes and pass-cutting
Chapter IV. Spatial system forces
§ 18-4. The rule of parallelepiped for power
§ 19-4. Projection of force for three mutually perpendicular axles. Determining the equal system of spatial forces attached to the point
§ 20-4. Equilibrium of the spatial system of converging forces
§ 21-4. Moment of power relative to the axis
§ 22-4. Equilibrium of an arbitrary spatial system forces
Chapter V. Center of gravity .........................
§ 23-5. Determination of the position of the center of gravity of the body composed of subtle homogeneous rods
§ 24-5. Determining the position of the center of gravity of figures composed of plates
§ 25-5. Determination of the situation of the severity of sections made up of standard rolled products profiles
§ 26-5. Determination of the position of the center of gravity of the body composed of parts having a simple geometric shape
Section of the second kinematics
Chapter VI. Kinematics Point
§ 27-6. Uniform rectilinear point movement
§ 28-6. Uniform curvilinear movement
§ 29-6. Equipment point
§ 30-6. Uneven movement of the point on any trajectory
§ 31-6. Determination of the trajectory, speed and acceleration of the point, if the law of its movement is set in coordinate form
§ 32-6. The kinematic method for determining the radius of the curvature of the trajectory
Chapter VII. Rotational Solid Movement
§ 33-7. Uniform rotational motion
§ 34-7. Equipment rotational motion
§ 35-7. Uneven rotational motion
Chapter VIII. Difficult traffic and body movement
§ 36-8. The addition of point movements when portable and relative movement are directed along one straight line
§ 37-8. The addition of point movements when portable and relative movements are directed at an angle to each other.
§ 38-8. Flat-parallel body movement
Chapter IX. Elements of kinematics mechanisms
§ 39-9. Determination of the transfer of various gears
§ 40-9. Determination of the transfer relations of the simplest planetary and differential transmissions
Section Third Dynamics
Chapter X. Motion Motion
§ 41-10. The main law of dynamics of the point
§ 42-10. Application of the principle of Dalamber to solving problems for rectilinear traffic
§ 43-10. Application of the Dalamber principle to solve problems on the curvilinear movement of the point
Chapter XI. Work and power. Efficiency
§ 44-11. Work and power in progressive movement
§ 45-11. Work and power with rotational motion
Chapter XII. The main speakers theorems
§ 46-12. Tasks for progressive body movement
§ 47-12. Tasks on the rotational movement of the body

1. Arcush. A.I. Technical Mechanics. Theoretical mechanics and resistance of materials: studies. For medium specials. studies. establishments / a. I. Arkusha. - 4th ed., Act. - M.: Higher. school., 2002. - 352 S.:

2. Arcusha A.I. Guide to solving problems on theoretical mechanics.

- M.: Higher School, 2002

Perm State Technical University

Department of General Physics

Physics

Methodical instructions and control tasks

for students of the correspondence department.

H and with m i i

MECHANICS

Molecular physics and thermodynamics

Perm 2002.

UDC 53 (07): 378

Plan UMD 2001/2002 uch. / G.

Physics: Guidelines and control tasks for absentee departments. Part I. Mechanics. Molecular physics and thermodynamics / perm.gos.tekhn.un-t, Perm, 2002. - 71 p.

Compilers: Zverev O.M.., K.T.N., Loschilova V.A.., Chernoyvanova TM., Schcine Yu.K.. Under the general editor Tsaplin A.I., D.T.N., Professor.

General recommendations for the application of physical laws and formulas for solving problems, rounding rules, work program, references, examples of solving problems on the topics "Mechanics. Molecular physics. Thermodynamics", training tasks with answers, check test and tasks for performing two test work . Tables with options and task numbers for each option, as well as reference tables.

Reviewer: Bayandin D.V., K.F.-M.N., Associate Professor.

The edition is stereotypical. Approved at the meeting of the Department.

Ã Perm state

technical University, 2002

Introduction ................................................... ............................................ four

Bibliography................................................ ............................ four

1. Brief Methodical Indications on Independent

studying the course ................................................ .................................. five

2. Methodical instructions for solving tasks ........................................ 5

3. On the approximate calculations ............................................. ............ 7.

4. Basic formulas. Kinematics. Wipers and waves. Dynamics. nine

4.1. Examples of solving tasks ................................................... ............. fifteen

4.2. Training tasks ................................................ ............... thirty

4.3. Check test ................................................ ....................... 33.

4.4. Examination number 1 .............................................. .............. 36.

5. Basic formulas. Molecular physics. Thermodynamics ........ 45.

5.1. Examples of solving tasks ................................................... ................. 49.

5.2. Training tasks ................................................ ................... 57.

5.3. Examination number 2 .............................................. .................. 59.

6. Questions to prepare for the exam ................................................. ..... 67.

7. Reference tables .............................................. ........................... 69.

Introduction

The purpose of this publication is to provide joint venture students with a working program and control tasks at the rate of general physics.

The entire training material of the course program is divided into three parts:

1. "Mechanics, molecular physics and thermodynamics."

2. "Electrostatics. Permanent current. Electromagnetism."

3. "Optics. Physics atom and atomic nucleus."

Each of the parts contains: a work program, a list of educational literature, examples of problem solving, training tasks, control tasks, reference tables.

The distribution of the volume of classes and types of academic work when studying physics for joys students of all specialties is given in Table. one.

Table 1

The main form of studying the discipline is an independent work of a student over recommended literature. It is advisable to work out the material, using examples of solving problems, training tasks, control tasks, reference tables.

The textbook was created for professions related to metalworking.
The basics of theoretical mechanics, the resistance of materials, parts and mechanisms of machines are set forth; Examples of calculations are given. Information about the main methods of increasing the mechanical properties of materials and the development trends of machinery and mechanisms are given.

Communication and their reactions.
The body that can perform any movement in space is called free; An example of a free body can be a plane or projectile flying in the air. In various kinds of structures and structures, we usually meet with bodies, on the movement of which restrictions are imposed. Such bodies are called non-free. The body limiting the freedom of movement of a solid body is connected towards him. If the force attached to the body seek to move it by a particular direction, and the connection prevents such a movement, the body will affect the connection with the power of pressure on the connection.

TABLE OF CONTENTS
Main used designations
Introduction
Section 1. Theoretical Mechanics
1.1. Basic concepts and static axioms
1.2. Communications and their reactions
1.3. Flat Soft System
1.4. Elements of friction theory
1.5. Spatial system forces
1.6. Definition of the center of gravity
1.7. Kinematics Point
1.8. The simplest movement of the solid body
1.9. Laws of the speakers, equations of motion of the material point, principle D "Alamber
1.10. Forces acting on the point of the mechanical system
1.11. Theorem on the movement of the center of the mass mechanical system
1.12. Work of power
1.13. Power
1.14. Efficiency
Section 2. Basics of Material Resistance
2.1. Basic concepts
2.2. Stretching and compression
2.3. Main mechanical characteristics of materials
2.4. Calculations for strength when tensile and compression
2.5. Sing and crumpled
2.6. Torsion
2.7. Straight bend
2.8. Determination of movements in bending method Vereshchagin
2.9. Calculation of timber on the joint effect of twist and bending
2.10. Dynamic Load Strength
2.11. Stability with axial loading rod
2.12. Disclosure of static uncertainness of rod systems
Section 3. Details and machine mechanisms
3.1. Machines and their main elements
3.2. Basic performance criteria and calculating machine parts
3.3 Machine-building materials
3.4. Details of rotational motions
3.5 Cabinet details
3.6 Springs and Springs
3.7 Padded parts connections
3.8 details detail connections
3.9. Bearings Slip
3.10. Rolling bearings
3.11. Couplings
3.12. Friction gears
3.13. Belt transmission
3.14. Shogging
3.15. Worm gears
3.16. Chainshots
3.17. Transmission Screw-nut slip
3.18. Transmission of screw rolling nut
3.19. Rush transfers
3.20. Cracked-connecting mechanisms
3.21. Easy mechanisms
3.22. Cam mechanisms
3.23. General information about gearboxes
Section 4. Increase the mechanical properties of materials and structures
4.1. Main ways to increase mechanical properties
4.2. Reinforcing plastic deformation treatment
4.3. Improving the wear resistance of the surface layers
4.4. Surface coatings
4.5. Strengthening surface layers of chemical heat treatment
4.6. Hardening of the running screws
Conclusion. Trends in the development of machinery and mechanisms
Applications
1. Steel corners hot rolled equal (according to GOST 8509-93)
2. Corners of steel hot rolled non-equivocal (according to GOST 8510-86)
3. Steel hot-rolled chawliers (according to GOST 8240-89)
4. Steel hot-rolled altars (according to GOST 8239-89)
5. Legend graphic designations in schemes. Kinematics elements (according to GOST 2.770-68 *)
Bibliography.

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