Оглавление
Robert S. Ball. Experimental Mechanics
Experimental Mechanics
Table of Contents
PREFACE
LECTURE I. THE COMPOSITION OF FORCES
INTRODUCTION
THE DEFINITION OF FORCE
THE MEASUREMENT OF FORCE
EQUILIBRIUM OF TWO FORCES
EQUILIBRIUM OF THREE FORCES
A SMALL FORCE SOMETIMES BALANCES. TWO LARGER FORCES
LECTURE II. THE RESOLUTION OF FORCES
INTRODUCTION
ONE FORCE RESOLVED INTO TWO FORCES
EXPERIMENTAL ILLUSTRATIONS
SAILING
ONE FORCE RESOLVED INTO THREE FORCES. NOT IN THE SAME PLANE
THE JIB AND TIE ROD
LECTURE III. PARALLEL FORCES
INTRODUCTION
PRESSURE OF A LOADED BEAM. ON ITS SUPPORTS
EQUILIBRIUM OF A BAR SUPPORTED. ON A KNIFE-EDGE
THE COMPOSITION OF PARALLEL FORCES
PARALLEL FORCES ACTING IN. OPPOSITE DIRECTIONS
THE COUPLE
THE WEIGHING SCALES
LECTURE IV. THE FORCE OF GRAVITY
INTRODUCTION
SPECIFIC GRAVITY
THE PLUMMET AND SPIRIT-LEVEL
THE CENTRE OF GRAVITY
STABLE AND UNSTABLE EQUILIBRIUM
PROPERTY OF THE CENTRE OF GRAVITY. IN A REVOLVING WHEEL
LECTURE V. THE FORCE OF FRICTION
THE NATURE OF FRICTION
THE MODE OF EXPERIMENTING
FRICTION IS PROPORTIONAL TO. THE PRESSURE
A MORE ACCURATE LAW OF FRICTION
THE COEFFICIENT VARIES WITH. THE WEIGHTS USED
THE ANGLE OF FRICTION
ANOTHER LAW OF FRICTION
CONCLUDING REMARKS
LECTURE VI. THE PULLEY
INTRODUCTION
FRICTION BETWEEN A ROPE AND. AN IRON BAR
THE USE OF THE PULLEY
LARGE AND SMALL PULLEYS
THE LAW OF FRICTION IN THE PULLEY
WHEELS
ENERGY
LECTURE VII. THE PULLEY-BLOCK
INTRODUCTION
THE SINGLE MOVEABLE PULLEY
THE THREE-SHEAVE PULLEY-BLOCK
THE DIFFERENTIAL PULLEY-BLOCK
THE EPICYCLOIDAL PULLEY-BLOCK
LECTURE VIII. THE LEVER
THE LEVER OF THE FIRST ORDER
THE LEVER OF THE SECOND ORDER
THE LEVER OF THE THIRD ORDER
LECTURE IX. THE INCLINED PLANE AND THE SCREW
THE INCLINED PLANE WITHOUT FRICTION
THE INCLINED PLANE WITH FRICTION
THE SCREW
THE SCREW-JACK
THE SCREW BOLT AND NUT
LECTURE X. THE WHEEL AND AXLE
INTRODUCTION
EXPERIMENTS UPON THE WHEEL AND AXLE
FRICTION UPON THE AXLE
THE WHEEL AND BARREL
THE WHEEL AND PINION
THE CRANE
CONCLUSION
LECTURE XI. THE MECHANICAL PROPERTIES OF TIMBER
INTRODUCTION
THE GENERAL PROPERTIES OF TIMBER
RESISTANCE TO EXTENSION
RESISTANCE TO COMPRESSION
LECTURE XII. THE STRENGTH OF A BEAM
A BEAM FREE AT THE ENDS AND LOADED. IN THE MIDDLE
A BEAM UNIFORMLY LOADED
EFFECT OF SECURING THE ENDS OF A BEAM. UPON ITS STRENGTH
BEAMS SECURED AT ONE END AND. LOADED AT THE OTHER
LECTURE XIII. THE PRINCIPLES OF FRAMEWORK
INTRODUCTION
WEIGHT SUSTAINED BY TIE AND STRUT
A BRIDGE WITH TWO STRUTS
A BRIDGE WITH FOUR STRUTS
A BRIDGE WITH TWO TIES
A SIMPLE FORM OF TRUSS
THE WYE BRIDGE
LECTURE XIV. THE MECHANICS OF A BRIDGE
INTRODUCTION
THE GIRDER
THE TUBULAR BRIDGE
THE SUSPENSION BRIDGE
LECTURE XV. THE MOTION OF A FALLING BODY
INTRODUCTION
THE FIRST LAW OF MOTION
THE EXPERIMENT OF GALILEO. FROM THE TOWER OF PISA
THE SPACE DESCRIBED BY A FALLING BODY IS. PROPORTIONAL TO THE SQUARE OF THE TIME
A BODY FALLS 16' IN THE FIRST SECOND
THE ACTION OF GRAVITY IS INDEPENDENT. OF THE MOTION OF THE BODY
HOW THE FORCE OF GRAVITY IS DEFINED
THE PATH OF A PROJECTILE IS A PARABOLA
LECTURE XVI. INERTIA
INERTIA
THE HAMMER
THE STORING OF ENERGY
THE FLY-WHEEL
THE PUNCHING MACHINE
LECTURE XVII. CIRCULAR MOTION
THE NATURE OF CIRCULAR MOTION
THE ACTION OF CIRCULAR MOTION. UPON LIQUIDS
THE APPLICATIONS OF CIRCULAR MOTION
THE PERMANENT AXES
LECTURE XVIII. THE SIMPLE PENDULUM
INTRODUCTION
THE CIRCULAR PENDULUM
LAW CONNECTING THE TIME OF VIBRATION. WITH THE LENGTH
THE FORCE OF GRAVITY DETERMINED. BY THE PENDULUM
THE CYCLOID
LECTURE XIX. THE COMPOUND PENDULUM AND THE. COMPOSITION OF VIBRATIONS
THE COMPOUND PENDULUM
THE CENTRE OF OSCILLATION
THE CENTRE OF PERCUSSION
THE CONICAL PENDULUM
THE COMPOSITION OF VIBRATIONS
LECTURE XX. THE MECHANICAL PRINCIPLES OF A CLOCK
INTRODUCTION
THE COMPENSATING PENDULUM
THE ESCAPEMENT
THE TRAIN OF WHEELS
THE HANDS
THE STRIKING PARTS
APPENDIX I
THE METHOD OF GRAPHICAL CONSTRUCTION
Table III
Table IV
THE METHOD OF LEAST SQUARES
Table III
Table IV
APPENDIX II
INDEX
