PREFACE ix // PARTI INTRODUCTION // 1 BIOMECHANICS IN PHYSICAL EDUCATION 1 // What Is Biomechanics? 1 // What Is the Function of Biomechanics? 2 // How Important Is a Knowledge of Biomechanics? 5 // PART II BASIC CONCEPTS // 2 FORMS OF MOTION 8 // Translation, 8 // Rotation, 10 // General Motion, 11 // 3 LINEAR KINEMATICS 13 // Distance and Displacement, 13 // Speed and Velocity, 15 // Acceleration, 18 // Units in Linear Kinematics, 20 // Acceleration Due to Gravity, 22 // Vectors and Scalars, 22 // Resultant Vector, 23 // Vector Components, 25 // Uniformly Accelerated Motion, 28 // Projectiles, 31 // 4 ANGULAR KINEMATICS 47 // Angular Distance and Angular Displacement, 47 // Angular Speed and Angular Velocity, 48 // Linear and Angular Kinematics, 49 // Units in Angular Kinematics, 50 // Angular-Motion Vectors, 51 // Velocity and Angular Velocity, 53 // Acceleration of a Body Moving on a Curved Path, 55 // Acceleration and Angular Acceleration, 57 // 5 LINEAR KINETICS 60 // Inertia, 60 // Mass, 60 // Force, 60 // Internal and External Forces, 61 // Newton’s First Law of Motion, 62 // Newton’s Law of Gravitation, 62 // Momentum, 63 // Newton’s Second Law of Motion, 64 // Units in Linear Kinetics, 65 // Weight, 66 // Newton’s Third Law, 67 // Normal Reaction, 71 // Friction, 71 // Impulse, 77 // Conservation of Momentum, 80 // Impact, 80 // Pressure, 95 // Work, 97 // Power, 98 // Energy, 99 // 6 ANGULAR KINETICS 111 // Eccentric Force, 111 // Couple,