Mechanics for Practical Men

ABCD absciss angle of direction angle of inclination applied axis becomes bended lever bisect centre of gravity centre of motion circular segment common centre complete the square conditions of equilibrium consequently construction cos² cosec cosine determined diagonal distance draw equation of equilibrium equipoise equivalent EXAMPLE expressed extreme feet figure forces acting found to balance frustum fulcrum or centre given forces Given the magnitude hence inclined plane magnitudes or intensities moveable pulleys Multiply natural sine oblique obtain parabola parallelogram point of application pounds acting power acting practical rule pressure principle PROBLEM produce quantities radius represented resistance acts resultant rhombus right angles scholium screw second order segment square root straight lever straight line supposing three forces tons trapezium Trigonometry twice unit in length vertex wedge weight or resistance whole weight words at length