Читать книгу Experimental Mechanics - Robert S. Ball - Страница 2
Table of Contents
ОглавлениеLECTURE I. THE COMPOSITION OF FORCES.
A SMALL FORCE SOMETIMES BALANCES TWO LARGER FORCES.
LECTURE II. THE RESOLUTION OF FORCES.
ONE FORCE RESOLVED INTO TWO FORCES.
ONE FORCE RESOLVED INTO THREE FORCES NOT IN THE SAME PLANE.
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.
LECTURE IV. THE FORCE OF GRAVITY.
STABLE AND UNSTABLE EQUILIBRIUM.
PROPERTY OF THE CENTRE OF GRAVITY IN A REVOLVING WHEEL.
LECTURE V. THE FORCE OF FRICTION.
FRICTION IS PROPORTIONAL TO THE PRESSURE.
A MORE ACCURATE LAW OF FRICTION.
THE COEFFICIENT VARIES WITH THE WEIGHTS USED.
FRICTION BETWEEN A ROPE AND AN IRON BAR.
THE LAW OF FRICTION IN THE PULLEY.
LECTURE VII. THE PULLEY-BLOCK.
THE THREE-SHEAVE PULLEY-BLOCK.
THE DIFFERENTIAL PULLEY-BLOCK.
THE EPICYCLOIDAL PULLEY-BLOCK.
THE LEVER OF THE SECOND ORDER.
LECTURE IX. THE INCLINED PLANE AND THE SCREW.
THE INCLINED PLANE WITHOUT FRICTION.
THE INCLINED PLANE WITH FRICTION.
LECTURE X. THE WHEEL AND AXLE.
EXPERIMENTS UPON THE WHEEL AND AXLE.
LECTURE XI. THE MECHANICAL PROPERTIES OF TIMBER.
THE GENERAL PROPERTIES OF TIMBER.
LECTURE XII. THE STRENGTH OF A BEAM.
A BEAM FREE AT THE ENDS AND LOADED IN THE MIDDLE.
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.
WEIGHT SUSTAINED BY TIE AND STRUT.
LECTURE XIV. THE MECHANICS OF A BRIDGE.
LECTURE XV. THE MOTION OF A FALLING BODY.
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 XVII. CIRCULAR MOTION.
THE NATURE OF CIRCULAR MOTION.
THE ACTION OF CIRCULAR MOTION UPON LIQUIDS.
THE APPLICATIONS OF CIRCULAR MOTION.
LECTURE XVIII. THE SIMPLE PENDULUM.
LAW CONNECTING THE TIME OF VIBRATION WITH THE LENGTH.
THE FORCE OF GRAVITY DETERMINED BY THE PENDULUM.
LECTURE XIX. THE COMPOUND PENDULUM AND THE COMPOSITION OF VIBRATIONS.
THE COMPOSITION OF VIBRATIONS.
LECTURE XX. THE MECHANICAL PRINCIPLES OF A CLOCK.
