A Treatise on Elementary Statics |
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD AC represent acting at right acting parallel algebraic sum angular points attached balance body called centre of gravity Complete the parallelogram component forces condition of equilibrium cylinder diagonal Draw ELEMENTARY STATICS equal and opposite equal forces equal weight feet find the centre find the condition fixed point forces represented fulcrum given force Hence inches inclined plane line of action lower block magnitude and direction measure mechanical advantage middle point motion moveable number of forces opposite directions parallel forces parallelogram ABDC Parallelogram of Forces power and weight pressure Principle of Moments produce equilibrium pulleys Q acting radius represented in magnitude rest resultant acting right angles rope screw shew sides similar triangles single force steelyard straight lever straight line support a weight suspended system of pulleys tension triangle ADB Trigonometry unit of force vertical line w₁