## Elements of Natural Philosophy, Part 1 |

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Results 1-5 of 77

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

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 ( toescape as much as possible of the inevitable friction ) it is a wheel , on part of

whose ...

Page 16

The intensity of heat and light emanating from a point , or from a uniformly

radiating spherical

distance from the centre . Hence the rate at which a planet receives heat and light

from ...

The intensity of heat and light emanating from a point , or from a uniformly

radiating spherical

**surface**, diminishes according to the inverse square of thedistance from the centre . Hence the rate at which a planet receives heat and light

from ...

Page 34

Consider a spherical

All points of this sphere attached to the body will move on a sphere fixed in space

. Hence the construction of 91 may be made , only with great circles instead of ...

Consider a spherical

**surface**within the body , with its centre at the fixed point C.All points of this sphere attached to the body will move on a sphere fixed in space

. Hence the construction of 91 may be made , only with great circles instead of ...

Page 36

This ( as all rolling of cones ) is exhibited best by taking the intersection of each

with a spherical

angular points in succession , always keeping on the spherical

the ...

This ( as all rolling of cones ) is exhibited best by taking the intersection of each

with a spherical

**surface**. Thus we see that if a spherical polygon turns about itsangular points in succession , always keeping on the spherical

**surface**, and ifthe ...

Page 37

... so as to form portions of the

parallel to AC will become a rotation about the axis of the cylinder , and the

necessary accompaniment of vertical motion will remain unchanged . As it is

evident ...

... so as to form portions of the

**surface**of a vertical right cylinder , the motion of DFparallel to AC will become a rotation about the axis of the cylinder , and the

necessary accompaniment of vertical motion will remain unchanged . As it is

evident ...

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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 experience 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 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