Elementary Mechanics

accelerating force acting vertically action of gravity annexed figure axis beam body centre of gravity centripetal force circle coefficient of friction counteract couple curve cycloid cylinder diagonal distance draw equal and opposite equation equi exerted extremity force of gravity forces acting ft² fulcrum hence horizontal plane inclined plane indefinitely small instant interval Law of Motion length lever magnitude and direction mass measure meet middle point normal force P₁ P₂ P₂P₂ parabola parallel forces parallelogram described parallelogram of forces particle pass perpendicular point of application point of contact position of equilibrium power and weight produced proportional proposition pulley radius reaction represent respectively rest resultant shew sides smooth space sphere Statics straight line string supposed surface tension three forces triangle ABC uniform unit vertex virtual velocities W₁ W₂