An Elementary Treatise on Mechanics: For the Use of the Junior Classes at the University and the Higher Classes in School, with a Collection of Examples
Macmillan and Company, 1874 - 398 σελίδες
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acceleration acting action angle applied attached axis balance ball base beam becomes body called centre of gravity circle condition connected considered curve cylinder described determine direction displacement distance draw drawn elastic equal equation equilibrium experiment express extremities fall feet fixed force forces acting friction fulcrum give given heavy Hence horizontal impact inclined plane instant joining latter law of motion length lever machine magnitude mass means measured motion moving obtain opposite parallel parallelogram particle passes perpendicular placed position pressure principle produced projected proportional prove pully radius referred regard represented resolved respectively rest resultant right angles rough screw shew sides smooth space sphere straight line string student suppose surface taken tension thread triangle uniform unit vertical virtual velocity weight
Σελίδα 184 - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it may be compelled by impressed forces to change that state.
Σελίδα 15 - If two forces acting at a point be represented in magnitude and direction by the...
Σελίδα 184 - Corpus omne perseverare in statu suo quiescendi vel movendi uniformiter in directum, nisi quatenus a viribus impressis cogitur statum ilium mutare. Lex I (in edition of i726). Corpus omne perseverare in statu suo quiescendi vel movendi uniformiter in directum, nisi quatenus illud a viribus impressis cogitur statum suum mutare.
Σελίδα 116 - The substance to be weighed is placed in one scale-pan, and weights of known magnitude are placed in the other till the beam remains in equilibrium in a perfectly horizontal position, in which case the weight of the substance is indicated by the weights which balance it.
Σελίδα 341 - A person travelling eastward at the rate of 4 miles per hour, finds that the wind seems to blow directly from the north; on doubling his speed it appears to come from the north-east; find the direction of the wind and its velocity.