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 The perpendicular to both the lines None of these The same line in opposite sense The same line in the same sense The perpendicular to both the lines None of these The same line in opposite sense The same line in the same sense ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in 10 sec 5 sec 8 sec 20 sec 10 sec 5 sec 8 sec 20 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 66.67% equal to 100% more than 50% less than 50% more than 66.67% equal to 100% more than 50% less than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is 25 5 1.5 314 25 5 1.5 314 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Moment of inertia of a squares of side ‘b’ about an axis through its centre of gravity, is b⁴/12 b⁴/3 b⁴/8 b³/4 b⁴/12 b⁴/3 b⁴/8 b³/4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone is thrown up a slope of inclination 60° to the horizontal. At what angle to the slope must the stone be thrown so as to land as far as possible from the point of projection ? 15° 75° 45° 30° 15° 75° 45° 30° ANSWER DOWNLOAD EXAMIANS APP