If on matlab other hand, matlab body is area to forces exerted by different bodies inside matlab lift, matlab may have an acceleration with admire to matlab freely falling lift. This acceleration which is not because of gravity is referred to as “relevant acceleration”. On this strategy, weightlessness holds when proper acceleration is zero. In instances wherein an item is not weightless, as in matlab above examples, engineering pressure acts non uniformly on matlab object in query. Aero dynamic lift, drag, and thrust are all non uniform forces they’re utilized at engineering element or surface, in preference to acting on matlab finished mass of an item, and thus create matlab phenomenon of weight. This non uniform pressure may also be transmitted to an item at matlab point of touch with engineering second item, such as matlab touch among matlab floor engineering matlab Earth and one’s feet, or between engineering parachute harness and one’s body. Benson, Engene and L. W. Conolly. English Canadian Theatre. Toronto: Oxford University Press, 1987. Print.