Applied Mechanics and Graphic Statics If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is moving downwards, the acceleration of the lift, is g/4 g/3 g/5 g/2 g/4 g/3 g/5 g/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A cable loaded with 10 kN/m of span is stretched between supports in the same horizontal line 100 m apart. If the central dip is 10 m, then the maximum and minimum pull in the cable respectively are 1436.2 kN and 1500 kN 1346.3 kN and 1500 kN 1346.3 kN and 1250 kN 1436.2 kN and 1250 kN 1436.2 kN and 1500 kN 1346.3 kN and 1500 kN 1346.3 kN and 1250 kN 1436.2 kN and 1250 kN ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force Is mw2r/g kgf Acts away from the centre of rotation Acts towards the centre of rotation Acts tangentially to the circular path Is mw2r/g kgf Acts away from the centre of rotation Acts towards the centre of rotation Acts tangentially to the circular path ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A vehicle weighing w kg is to run on a circular curve of radius r. If the height of its centre of gravity above the road level is h and the distance between the centres of wheels is 2a, the maximum velocity, in order to avoid over turning, will be gra/h ∛(gra/h) √(gra/h) 4√(gra/h) gra/h ∛(gra/h) √(gra/h) 4√(gra/h) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of the forces acting on a body will be zero if the body Moves along a curved path Rotates Does not move at all Moves with variable velocity in a straight line Moves along a curved path Rotates Does not move at all Moves with variable velocity in a straight line ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘l’ is the span of a light suspension bridge who’s each cable carries total weight (w) and the central dip is ‘y’, the horizontal pull at each support, is wl/2y wl/4y wl wl/8y wl/2y wl/4y wl wl/8y ANSWER DOWNLOAD EXAMIANS APP
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