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Classical Mechanics
The principles of mechanics successfully described many phenomena encountered in the world. Conservation laws involving energy, momentum and angular momentum provided a second parallel approach to solving many of the same problems. This text investigate both approaches: Force and conservation laws to develop a conceptual understanding of the core concepts, a familiarity with the experimental verification of our theoretical laws, and an ability to predict the motions of bodies.
- Author
- Peter Dourmashkin
- Publisher
- Massachusetts Institute of Technology
- Source
- LibreTexts
- License
- CC BY-NC-SA
- Language
- EN
- Category
- Basic Sciences
Contents· 197 sections
- 01: Introduction to Classical Mechanics
- 1.01: Introduction
- 02: Units Dimensional Analysis Problem Solving and Estimation
- 2.01: The Speed of light
- 2.02: International System of Units
- 2.03: Dimensions of Commonly Encountered Quantities
- 2.04: Order of Magnitude Estimates - Fermi Problems
- 03: Vectors
- 3.01: Vector Analysis
- 3.02: Coordinate Systems
- 3.03: Vectors
- 3.04: Vector Product (Cross Product).
- 04: One Dimensional Kinematics
- 4.01: Introduction to One Dimensional Kinematics
- 4.02: Position Time Interval and Displacement
- 4.03: Velocity
- 4.04: Acceleration
- 4.05: Constant Acceleration
- 4.06: One Dimensional Kinematics and Integration
- 05: Two Dimensional Kinematics
- 5.01: Introduction to the Vector Description of Motion in Two Dimensions
- 5.02: Projectile Motion
- 06: Circular Motion
- 6.01: Introduction to Circular Motion
- 6.02: Circular Motion- Velocity and Angular Velocity
- 6.03: Circular Motion- Tangential and Radial Acceleration
- 6.04: Period and Frequency for Uniform Circular Motion
- 6.05: Angular Velocity and Angular Acceleration
- 6.06: Non-circular Central Motion
- 07: Newtons Laws of Motion
- 7.01: Force and Quantity of Matter
- 7.02: Newtons First Law
- 7.03: Momentum Newtons Second Law and Third Law
- 7.04: Newtons Third Law- Action-Reaction Pairs
- 08: Applications of Newtons Second Law
- 8.01: Force Laws
- 8.02: Fundamental Laws of Nature
- 8.03: Constraint Forces
- 8.04: Free-body Force Diagram
- 8.05: Tension in a Rope
- 8.06: Drag Forces in Fluids
- 8.07: Worked Examples
- 09: Circular Motion Dynamics
- 9.01: Introduction Newtons Second Law and Circular Motion
- 9.02: Universal Law of Gravitation and the Circular Orbit of the Moon
- 9.03: Worked Examples Circular Motion
- 9.04: Appendix 9A The Gravitational Field of a Spherical Shell of Matter .
- 10: Momentum System of Particles and Conservation of Momentum
- 10.01: Introduction
- 10.02: Momentum (Quantity of Motion) and Average Impulse
- 10.03: External and Internal Forces and the Change in Momentum of a System
- 10.04: System of Particles
- 10.05: Center of Mass
- 10.06: Translational Motion of the Center of Mass
- 10.07: Constancy of Momentum and Isolated Systems
- 10.08: Momentum Changes and Non-isolated Systems
- 10.09: Worked Examples
- 11: Reference Frames
- 11.01: Introduction to Reference Frames
- 11.02: Galilean Coordinate Transformations
- 11.03: Law of Addition of Velocities - Newtonian Mechanics
- 11.04: Worked Examples
- 12: Momentum and the Flow of Mass
- 12.01: Introduction to Momentum and the Flow of Mass
- 12.02: Worked Examples
- 12.03: Rocket Propulsion
- 13: Energy Kinetic Energy and Work
- 13.01: The Concept of Energy and Conservation of Energy
- 13.02: Kinetic Energy
- 13.03: Kinematics and Kinetic Energy in One Dimension
- 13.04: Work done by Constant Forces
- 13.05: Work done by Non-Constant Forces
- 13.06: Work-Kinetic Energy Theorem
- 13.07: Power Applied by a Constant Force
- 13.08: Work and the Scalar Product
- 13.09: Work done by a Non-Constant Force Along an Arbitrary Path
- 13.10: Worked Examples
- 13.11: Work-Kinetic Energy Theorem in Three Dimensions
- 13.12: Appendix 13A Work Done on a System of Two Particles
- 14: Potential Energy and Conservation of Energy
- 14.01: Conservation of Energy
- 14.02: Conservative and Non-Conservative Forces
- 14.03: Changes in Potential Energies of a System
- 14.04: Change in Potential Energy and Zero Point for Potential Energy
- 14.05: Mechanical Energy and Conservation of Mechanical Energy
- 14.06: Spring Force Energy Diagram
- 14.07: Change of Mechanical Energy for Closed System with Internal Nonconservative Forces
- 14.08: Dissipative Forces- Friction
- 14.09: Worked Examples
- 15: Collision Theory
- 15.01: Introduction to Collision Theory
- 15.02: Reference Frames and Relative Velocities
- 15.03: Characterizing Collisions
- 15.04: One-Dimensional Collisions Between Two Objects
- 15.05: Worked Examples
- 15.06: Two Dimensional Elastic Collisions
- 15.07: Two-Dimensional Collisions in Center-of-Mass Reference Frame
- 16: Two Dimensional Rotational Kinematics
- 16.01: Introduction
- 16.02: Fixed Axis Rotation- Rotational Kinematics
- 16.03: Rotational Kinetic Energy and Moment of Inertia
- 16.04: Conservation of Energy for Fixed Axis Rotation
- 16.05: Appendix 16A- Proof of the Parallel Axis Theorem
- 17: Two-Dimensional Rotational Dynamics
- 17.01: Introduction to Two-Dimensional Rotational Dynamics
- 17.02: Vector Product (Cross Product)
- 17.03: Torque
- 17.04: Torque Angular Acceleration and Moment of Inertia
- 17.05: Torque and Rotational Work
- 18: Static Equilibrium
- 18.01: Introduction Static Equilibrium
- 18.02: Lever Law
- 18.03: Generalized Lever Law
- 18.04: Worked Examples
- 18.05: Appendix 18A The Torques About any Two Points are Equal for a Body in Static Equilibrium
- 19: Angular Momentum
- 19.01: Introduction
- 19.02: Angular Momentum about a Point for a Particle
- 19.03: Torque and the Time Derivative of Angular Momentum about a Point for a Particle
- 19.04: Conservation of Angular Momentum about a Point
- 19.05: Angular Impulse and Change in Angular Momentum
- 19.06: Angular Momentum of a System of Particles
- 19.07: Angular Momentum and Torque for Fixed Axis Rotation
- 19.08: Principle of Conservation of Angular Momentum
- 19.09: External Angular Impulse and Change in Angular Momentum
- 20: Rigid Body Kinematics About a Fixed Axis
- 20.01: Introduction
- 20.02: Constrained Motion - Translation and Rotation
- 20.03: Angular Momentum for a System of Particles Undergoing Translational and Rotational
- 20.04: Kinetic Energy of a System of Particles
- 20.05: Rotational Kinetic Energy for a Rigid Body Undergoing Fixed Axis Rotation
- 20.06: Appendix 20A Chasless Theorem- Rotation and Translation of a Rigid Body
- 21: Rigid Body Dynamics About a Fixed Axis
- 21.01: Introduction to Rigid Body Dynamics
- 21.02: Translational Equation of Motion
- 21.03: Translational and Rotational Equations of Motion
- 21.04: Translation and Rotation of a Rigid Body Undergoing Fixed Axis Rotation
- 21.05: Work-Energy Theorem
- 21.06: Worked Examples
- 22: Three Dimensional Rotations and Gyroscopes
- 22.01: Introduction to Three Dimensional Rotations
- 22.02: Gyroscope
- 22.03: Why Does a Gyroscope Precess
- 22.04: Worked Examples
- 23: Simple Harmonic Motion
- 23.01: Introduction to Periodic Motion
- 23.02: Simple Harmonic Motion- Analytic
- 23.03: Energy and the Simple Harmonic Oscillator
- 23.04: Worked Examples
- 23.05: Damped Oscillatory Motion
- 23.06: Forced Damped Oscillator
- 23.07: Small Oscillations
- 23.08: Appendix 23A- Solution to Simple Harmonic Oscillator Equation
- 23.09: Appendix 23B - Complex Numbers
- 23.10: Solution to the Underdamped Simple Harmonic Oscillator
- 23.11: Solution to the Forced Damped Oscillator Equation
- 24: Physical Pendulums
- 24.01: Introduction to Physical Pendulums
- 24.02: Physical Pendulum
- 24.03: Worked Examples
- 24.04: Appendix 24A Higher-Order Corrections to the Period for Larger Amplitudes of a Simple Pendulum
- 25: Celestial Mechanics
- 25.01: Introduction- The Kepler Problem
- 25.02: Planetary Orbits
- 25.03: Energy and Angular Momentum Constants of the Motion
- 25.04: Energy Diagram Effective Potential Energy and Orbits
- 25.05: Orbits of the Two Bodies
- 25.06: Keplers Laws
- 25.07: Worked Examples
- 25.08: Appendix 25A Derivation of the Orbit Equation
- 25.09: Appendix 25B Properties of an Elliptical Orbit
- 25.10: Appendix 25C Analytic Geometric Properties of Ellipses
- 26: Elastic Properties of Materials
- 26.01: Introduction
- 26.02: Stress and Strain in Tension and Compression
- 26.03: Shear Stress and Strain
- 26.04: Elastic and Plastic Deformation
- 27: Static Fluids
- 27.01: Introduction to Static Fluids
- 27.02: Density
- 27.03: Pressure in a Fluid
- 27.04: Pascals Law - Pressure as a Function of Depth in a Fluid of Uniform Density in a Uniform Gravitational Field
- 27.5: Compressibility of a Fluid
- 27.6: Archimedes’ Principle - Buoyant Force
- 28: Fluid Dynamics
- 28.01: Ideal Fluids
- 28.02: Velocity Vector Field
- 28.03: Mass Continuity Equation
- 28.04: Bernoullis Principle
- 28.05: Worked Examples- Bernoullis Equation
- 28.06: Laminar and Turbulent Flow
- 29: Kinetic Theory of Gases
- 29.01: Introduction- Gases
- 29.02: Temperature and Thermal Equilibrium
- 29.03: Internal Energy of a Gas
- 29.04: Ideal Gas
- 29.05: Atmosphere