Applied Mechanics and Graphic Statics A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kg.m² rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is 200 J 150 J 400 J 50 J 200 J 150 J 400 J 50 J 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/2) × [(2b + a)/(b + a)] (h/3) × [(b + 2a)/(b + a)] (h/3) × [(2b + a)/(b + a)] (h/2) × [(b + 2a)/(b + a)] (h/2) × [(2b + a)/(b + a)] (h/3) × [(b + 2a)/(b + a)] (h/3) × [(2b + a)/(b + a)] (h/2) × [(b + 2a)/(b + a)] ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length Must be decreased Is not changed but weight of the bob is decreased Must be increased Is not changed but weight of the bob is increased Must be decreased Is not changed but weight of the bob is decreased Must be increased Is not changed but weight of the bob is increased ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The locus of the instantaneous centre of a moving rigid body, is Centroid Spiral Straight line Involute Centroid Spiral Straight line Involute ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The characteristic of a couple is: A couple can be never the balanced by a single force All listed here Algebraic sum of moments of forces, constituting a couple, about any point, is same Algebraic sum of forces, constituting a couple is zero A couple can be never the balanced by a single force All listed here Algebraic sum of moments of forces, constituting a couple, about any point, is same Algebraic sum of forces, constituting a couple is zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle of friction is: The force of friction when the body is in motion The angle between the normal reaction and the resultant of normal reaction and limiting friction The force of friction at which the body is just about to move The ratio of the friction and the normal reaction The force of friction when the body is in motion The angle between the normal reaction and the resultant of normal reaction and limiting friction The force of friction at which the body is just about to move The ratio of the friction and the normal reaction ANSWER DOWNLOAD EXAMIANS APP