Elementary mechanics

accelerating force acting action actual angle apply ball beam body called centre of gravity chapter circle concerning consider curve cycloid described destroyed determine direction distance draw Dynamics earth effect elastic equal equations equilibrium example experiment explained expression extremity fact fall feet figure fixed follows forces acting friction give given hence horizontal impact inclined plane instance length lever magnitude manner mass means measure mechanical method momentum motion moving observed opposite parallel particle pass perpendicular portion position preceding present pressure principle problem produce projection PROP proposition proved quantity question regard represent resolved respectively rest result shew side smooth solved space Statics straight line string suppose surface suspended tension triangle true uniform uniformly unit velocity vertical weight whole