Applied Mechanics and Graphic Statics The force polygon representing a set of forces in equilibrium is a Parallelogram Closed polygon Open polygon Triangle Parallelogram Closed polygon Open polygon Triangle 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 wl/2y wl/4y wl/8y wl wl/2y wl/4y wl/8y ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In SI units, the units of force and energy are respectively Newton and joule kg wt and joule Newton and watt Dyne and erg Newton and joule kg wt and joule Newton and watt Dyne and erg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of the ranges on the inclined plane with motion upward and with motion downward for a given velocity, angle of projection will be tan (α - β)/tan (α + β) sin (α - β)/sin (α + β) cos (α - β)/cos (α + β) sin (α + β)/sin (α - β) tan (α - β)/tan (α + β) sin (α - β)/sin (α + β) cos (α - β)/cos (α + β) sin (α + β)/sin (α - β) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If g1 and g2 are the gravitational accelerations on two mountains A and B respectively, the weight of a body when transported from A to B will be multiplied by g2 g1/g2 g2/g1 g1 g2 g1/g2 g2/g1 g1 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force Acts away from the centre of rotation Acts towards the centre of rotation Is mw2r/g kgf Acts tangentially to the circular path Acts away from the centre of rotation Acts towards the centre of rotation Is mw2r/g kgf Acts tangentially to the circular path ANSWER DOWNLOAD EXAMIANS APP