Applied Mechanics and Graphic Statics If two forces are in equilibrium, then the forces must (i) Be equal in magnitude (ii) Be opposite in sense (iii) Act along the same line (i) and (ii) Only (i) (i) and (iii) All (i), (ii) and (iii) (i) and (ii) Only (i) (i) and (iii) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A weight ‘W’ is suspended at the free end of a light member hinged to a vertical wall. If the angle of inclination of the member with the upper wall is θ°, the force introduced in the member, is W cos θ W cosec θ W sec θ W sin θ W cos θ W cosec θ W sec θ W sin θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When two forces, each equal to P, act at 90° to each other, then the resultant will be P 2P P/√2 P√2 P 2P P/√2 P√2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down Rubber and lead balls undergo equal changes in momentum Change in momentum suffered by lead ball is less that of rubber ball Momentum of rubber ball is less than that of lead ball None of these Rubber and lead balls undergo equal changes in momentum Change in momentum suffered by lead ball is less that of rubber ball Momentum of rubber ball is less than that of lead ball None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a plane lamina will not be at its geometrical centre if it is a Equilateral triangle Rectangle Circle Right angled triangle Equilateral triangle Rectangle Circle Right angled triangle ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The vertical reaction at the support ‘A’ of the structure shown in below figure, is 3.5 t 1 t 3 t 2 t 3.5 t 1 t 3 t 2 t ANSWER DOWNLOAD EXAMIANS APP