## Elements of Natural Philosophy, Part 1 |

### From inside the book

Page 11

This is the case of a body falling vertically in vacuo under the action of

this case the space described in any interval is that which would be described in

the same time by a point moving uniformly with a velocity equal to that at the ...

This is the case of a body falling vertically in vacuo under the action of

**gravity**. Inthis case the space described in any interval is that which would be described in

the same time by a point moving uniformly with a velocity equal to that at the ...

Page 54

Force is wholly expended in the Action it produces ; and the body , after the force

ceases to act , retains by its inertia the direction of motion and the velocity which

were given to it . Force may be of divers kind , as pressure , or

Force is wholly expended in the Action it produces ; and the body , after the force

ceases to act , retains by its inertia the direction of motion and the velocity which

were given to it . Force may be of divers kind , as pressure , or

**gravity**, or friction ... Page 55

Even the most rigid substances , when brought together , do not touch at a point

merely , but mould each other so as to produce a surface of application . On the

other hand ,

...

Even the most rigid substances , when brought together , do not touch at a point

merely , but mould each other so as to produce a surface of application . On the

other hand ,

**gravity**is a force of which the place of application is the whole matter...

Page 56

We have P = Wg . The force of

According to the common system followed in modern mathematical treatises on

dynamics , the unit of mass is g times the mass of the standard or unit weight .

We have P = Wg . The force of

**gravity**on the body , in gravitation units , is W. 186.According to the common system followed in modern mathematical treatises on

dynamics , the unit of mass is g times the mass of the standard or unit weight .

Page 57

This formula , with the two co - efficients which it involves , corrected according to

modern pendulum observations , is as follows : Let be the apparent force of

...

This formula , with the two co - efficients which it involves , corrected according to

modern pendulum observations , is as follows : Let be the apparent force of

**gravity**on a unit mass at the equator , and g that in any latitude 1 ; then g = G ( 1 +...

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Other editions - View all

### Common terms and phrases

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