Useful Links
Physics
Classical Mechanics
Rigid Body Dynamics
Rotational Motion
Definition and Explanation
Rigid Body vs. Point Mass
Fixed Axis Rotation
Compound Rotation
Torque
Definition and Formula
Torque as a Vector Quantity
Calculating Torque
Lever Arm Concept
Cross Product Approach
Applications
Simple Machines (e.g., Levers, Wheels, Pulleys)
Balancing Beams and Rotational Equilibrium
Moment of Inertia
Definition and Physical Meaning
Calculation for Simple Geometries
Solid Cylinder
Hollow Cylinder
Solid Sphere
Rod vs. Disk
Parallel Axis Theorem
Perpendicular Axis Theorem
Rotational Kinetic Energy
Formula Derivation
Comparison with Translational Kinetic Energy
Examples in Everyday Objects
Energy Conservation in Rolling Motion
Angular Momentum and Its Conservation
Definition and Formula
Angular Momentum as a Vector
Relationship to Linear Momentum
Conservation Principle
Closed System Requirement
Implications for Rotating Bodies (Conservation in Absence of External Torque)
Gyroscopic Effects
Precession Phenomena
Applications in Navigation Systems (e.g., Gyroscopes in Aircraft)
Angular Impulse
Concept of Angular Impulse
Angular Impulse-Momentum Theorem
Equilibrium of Rigid Bodies
Conditions for Equilibrium
Static Equilibrium
Dynamic Equilibrium
Analysis of Force Systems
Concurrent Forces
Non-Concurrent Forces
Applications
Trusses and Frameworks
Structural Stability (e.g., Bridges and Buildings)
Balancing and Center of Mass Adjustments
Kinematics of Rigid Body Motion
Translational and Rotational Motion
Combined Motion Dynamics
Instantaneous Center of Rotation
Definition and Significance
Determining the Instantaneous Center
Angular Variables
Angular Displacement
Angular Velocity
Relationship with Tangential Velocity
Angular Acceleration
Rotational Equations of Motion
Dynamics of Rigid Bodies
Equations of Rotational Motion
Analogies to Translational Motion
Newton’s Second Law for Rotation
Application of Forces and Torques
Dynamics of Rotating Systems
Identifying and Analyzing Applied Forces and Resultant Torques
Real-World Applications
Engineering and Mechanical Design
Sports (e.g., Spinning and Twisting Motions in Gymnastics)
Dynamic Stability
Factors Affecting Stability
Example of Vehicles and Aircraft Stability Control Systems
4. Systems of Particles
First Page
6. Oscillatory Motion