Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is: Algebraic sum of the moments of the forces about a point must be zero All (A), (B) and (C) Algebraic sum of vertical components of all the forces must be zero Algebraic sum of horizontal components of all the forces must be zero Algebraic sum of the moments of the forces about a point must be zero All (A), (B) and (C) Algebraic sum of vertical components of all the forces must be zero Algebraic sum of horizontal components of all the forces must be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along None of these The same line in the same sense The same line in opposite sense The perpendicular to both the lines None of these The same line in the same sense The same line in opposite sense The perpendicular to both the lines ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ? i. 1.0 in from the wall ii. 1.732 m from the wall iii. 1.0 m above the floor iv. 1.732 m above the floor The correct answer is (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Cartesian form of the equation of catenary is y = c tan x/c y = c sinh x/c y = c cosh x/c y = c sin x/c y = c tan x/c y = c sinh x/c y = c cosh x/c y = c sin x/c ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The numbers of funicular polygons which can be drawn to pass through two specified points in the space diagram are Zero 2 1 Infinity Zero 2 1 Infinity ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The unit of moments in M.K.S system, is kg/m2 kg.m kg/sec2 kg/sec kg/m2 kg.m kg/sec2 kg/sec ANSWER DOWNLOAD EXAMIANS APP