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 All (i), (ii) and (iii) (i) and (ii) (i) and (iii) Only (i) All (i), (ii) and (iii) (i) and (ii) (i) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are 0 and 5 m/sec 5√3 m/sec and 0 5 m/sec and 0 5 and 5√3 m/sec 0 and 5 m/sec 5√3 m/sec and 0 5 m/sec and 0 5 and 5√3 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A satellite moves in its orbit around the earth due to None of these Gravitational force Centripetal force Centrifugal force None of these Gravitational force Centripetal force Centrifugal force ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The vertical reaction at the support ‘A’ of the structure shown in below figure, is 1 t 2 t 3.5 t 3 t 1 t 2 t 3.5 t 3 t ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of unit of force in gravitational system to that in absolute system is (where ‘g’ is acceleration due to gravity) g 1 None of these 1/g g 1 None of these 1/g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be Less than 60% More than 50% None of these 0.5 Less than 60% More than 50% None of these 0.5 ANSWER DOWNLOAD EXAMIANS APP