Applied Mechanics and Graphic Statics A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if Floor and wall both are smooth surfaces Floor and wall both are rough surfaces Floor is rough and the wall is smooth Floor is smooth and the wall is rough Floor and wall both are smooth surfaces Floor and wall both are rough surfaces Floor is rough and the wall is smooth Floor is smooth and the wall is rough ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A system of coplanar forces is in equilibrium when Both force polygon" and funicular polygon close Funicular polygon closes All the forces are concurrent Force polygon closes Both force polygon" and funicular polygon close Funicular polygon closes All the forces are concurrent Force polygon closes ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The dimensions of Gravitational Universal constant ‘G’ are M-1L2r2 M-1L3r2 M-2L3T2 M1L3T2 M-1L2r2 M-1L3r2 M-2L3T2 M1L3T2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the velocity of projection is 4 m/sec and the angle of projection is α°, the maximum height of the projectile from a horizontal plane, is u² sin 2α/2g u² cos² α/2g u² sin² α/2g u² tan² α/2g u² sin 2α/2g u² cos² α/2g u² sin² α/2g u² tan² α/2g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length ‘l’ and modulus ‘X’ is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance ‘x’, held at rest and then released.The motion is A damped oscillatory motion A simple harmonic motion A rectilinear motion with constant speed None of these A damped oscillatory motion A simple harmonic motion A rectilinear motion with constant speed None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity ratio of an inclined plane of inclination ‘θ’ with horizontal for lifting a load is cos θ cosec θ tan θ sin θ cos θ cosec θ tan θ sin θ ANSWER DOWNLOAD EXAMIANS APP