COMPOSITION & RESOLUTION OF FORCE. 



Motion and Pressure.— Force.— Attraction. — Parallelogram of Forces.— Resultant. — Components. — 

 Composition of Force. — Resolution of Force. — Illustrative Experiments. — Composition of Pres- 

 sures. — Theorems regulating Pressures also regulate Motion. — Examples. — Resolution of Mo- 

 tion. — Forces in Equilibiium. — Composition of Motion and Pressure. — Illustrations. — Boat in a 

 Current.— Motions of Fishes.— Flight of Birds.— Sails of a Vessel. — Tacking.— Equestrian Feats. — 

 Absolute and relative Motion. 



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