Elements of Natural Philosophy, Volume 1 |
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Page 4
In theory a pulley is simply a smooth body which changes the direction of a
flexible and inextensible cord stretched across part of its surface ; in practice ( to
escape as much as possible of the inevitable friction ) it is a wheel , on part of
whose ...
In theory a pulley is simply a smooth body which changes the direction of a
flexible and inextensible cord stretched across part of its surface ; in practice ( to
escape as much as possible of the inevitable friction ) it is a wheel , on part of
whose ...
Page 19
... Philosophy , there is one , namely , Harmonic Motion , which is of such
immense use , not only in ordinary kinetics , but in the theories of sound , light ,
heat , etc. , that we make no apology for entering here into some little detail
regarding it .
... Philosophy , there is one , namely , Harmonic Motion , which is of such
immense use , not only in ordinary kinetics , but in the theories of sound , light ,
heat , etc. , that we make no apology for entering here into some little detail
regarding it .
Page 22
The amount of the lunar tide in the equilibrium theory is about 2 : 1 times that of
the solar . Hence the spring tides of this theory are 3.1 , and the neap tides only
1.1 , each reckoned in terms of the solar tide ; and at spring and neap tides the ...
The amount of the lunar tide in the equilibrium theory is about 2 : 1 times that of
the solar . Hence the spring tides of this theory are 3.1 , and the neap tides only
1.1 , each reckoned in terms of the solar tide ; and at spring and neap tides the ...
Page 56
The formula , deduced by Clairault from observation , and a certain theory
regarding the figure and density of the earth , may be employed to calculate the
most probable value of the apparent force of gravity , being the resultant of true ...
The formula , deduced by Clairault from observation , and a certain theory
regarding the figure and density of the earth , may be employed to calculate the
most probable value of the apparent force of gravity , being the resultant of true ...
Page 60
The theory of the resultant action of gravity , which will be given under Abstract
Dynamics , shows that , except in a definite class of distributions of matter , there
is no fixed point which can properly be called the Centre of Gravity of a rigid body
.
The theory of the resultant action of gravity , which will be given under Abstract
Dynamics , shows that , except in a definite class of distributions of matter , there
is no fixed point which can properly be called the Centre of Gravity of a rigid body
.
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acceleration according acting action amount angle angular applied attraction axes axis body called centre centre of inertia circle component condition consider constant corresponding couple course curvature curve denote density described determined direction displacement distance divided effect elastic elements energy equal equations equilibrium evidently expression figure fixed fluid force friction give given gravity harmonic Hence important increase infinitely small instant interval kinetic length less mass matter mean measured method motion moving natural normal observation opposite parallel particle passing path perpendicular plane portion position potential practical pressure principle problem produce projection proportional quantity radius reference relative remain remarkable respectively rest resultant right angles rigid rotation round sides simple solid space spherical square straight strain stress suppose surface theory turned uniform unit velocity weight whole wire