Elements of Physics

inition of Action and Reaction ....Equality of Action and ReactionRestatement of Newton's Third Law . .Direction of Momentum .....Momentum of Rebounding Ball ....Persistence of Momentum in Elastic ImpactFORCE AND WORKForce one Factor in Work .....Equation for Force and Work ....The Erg .......Problems on Force and Work ....Potential .......Table of Contents TABLE OF CONTENTS; PART I MECHANICS FUNDAMENTAL DEFINITIONS; Physics ; The Physical Universe ; Matter ; Energy ; Work ; Measurement of Work ; MACHINES; The Lever ; The Lever as a Machine ; Classes of Levers ; Moment ; Mechanical Advantage ; Problems ; The Fixed Pulley ; Levers of the Second and Third Classes; The Movable Pulley ; Systems of Pulleys ; Mechanical Advantage of Systems of Pulleys; The Inclined Plane ; Modification of Lever, Pulley, and Inclined Plane The Wheel and Axle ; TABLE OF CONTENTS; ix; VÄC f; To Find the Equivalent Length of a Compound Pendulum 22; Center of Suspension of a Pendulum 22; Center of Oscillation of a Pendulum 22; Length of a Compound Pendulum 23; Problems 23; Persistence of Plane of Vibration of a Pendulum 23; Foucaul