Applied Mechanics and Graphic Statics According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A point A straight line Two straight lines A triangle A point A straight line Two straight lines A triangle 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/√2 P 2P P√2 P/√2 P 2P P√2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis? None of these Both discs will have same rotational inertia Disc with smaller density Disc with larger density None of these Both discs will have same rotational inertia Disc with smaller density Disc with larger density ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of the trapezium as shown in below figure from the side is at a distance of (h/3) × [(b + 2a)/(b + a)] (h/3) × [(2b + a)/(b + a)] (h/2) × [(2b + a)/(b + a)] (h/2) × [(b + 2a)/(b + a)] (h/3) × [(b + 2a)/(b + a)] (h/3) × [(2b + a)/(b + a)] (h/2) × [(2b + a)/(b + a)] (h/2) × [(b + 2a)/(b + a)] 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 The perpendicular to both the lines The same line in the same sense The same line in opposite sense None of these The perpendicular to both the lines The same line in the same sense The same line in opposite sense None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be less than 50% more than 66.67% equal to 100% more than 50% less than 50% more than 66.67% equal to 100% more than 50% ANSWER DOWNLOAD EXAMIANS APP