## A Treatise on Statics: Containing the Theory of the Equilibrium of Forces; and Numerous Examples Illustrative of the General Principles of the Science |

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**magnitude**and direc- tion , and a point of application . When these three are known , the force is said to be known . From Art . 2 , it will be seen that , by the**magnitude**of a force , we mean the degree of motion which it is capable ... Page 5

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**magnitudes**of forces , their directions , and their points of application , when they exactly counteract each other , is called STATICS . 13. If several forces acting upon a body counteract each other , the body is said to be in ... Page 9

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**magnitudes**of the forces . 26. If from a point two lines be drawn representing two forces which act upon a point ; and if upon these lines a parallelogram be constituted , the diagonal drawn from the same point will represent the ... Page 10

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**magnitudes**and directions of two forces acting on a point . Complete the parallelogram : its diagonal AE represents the direction of the resultant ; and it also represents its**magnitude**. For in EA produced take AF to represent its ... Page 11

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**magnitude**of its force P : if BE do not represent the**magnitude**of the other force Q , take BE ' to represent it , and join AE ' . Then ( by the former case ) P , Q and a force represented by E'A will balance each other . But P , Q , R ...### Common terms and phrases

A₁ axes axle balance beam Cambridge catenary centre of gravity chain co-ordinates conditions of equilibrium consequently cord cos² couple cylinder density direction distance draw equal to zero equation equi F₁ F₂ find the centre find the position fixed axis fixed point forces acting forces F friction frustum fulcrum given Hence horizontal plane inclined plane length lever librium m₁ machine magnitude motion moveable osculating plane parabola parallelogram parallelopiped particle passing perpendicular position of equilibrium pressure proportional pulley pyramid radii radius represent resolved respectively rest resultant right angles rigid body screw shew smooth string suppose surface suspended T₁ Taylor's theorem tension thread three forces triangle Trinity College University of Cambridge vertex virtual velocities weight wheel Wherefore ΣΖ ΣΥ ΣΧ

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