Applied Mechanics and Graphic Statics The characteristic of a couple is: 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 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 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60° with horizontal, is 60 kg 100 kg 10 kg 40 kg 60 kg 100 kg 10 kg 40 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is —rad/sec 20 —rad/sec 10 None of these —rad/sec 30 —rad/sec 20 —rad/sec 10 None of these —rad/sec 30 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is 0.6 0.65 0.75 0.7 0.6 0.65 0.75 0.7 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If g1 and g2 are the gravitational accelerations on two mountains A and B respectively, the weight of a body when transported from A to B will be multiplied by g2/g1 g2 g1 g1/g2 g2/g1 g2 g1 g1/g2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball of mass 1 kg moving with a velocity of 2 m/sec collides a stationary ball of mass 2 kg and comes to rest after impact. The velocity of the second ball after impact will be 0.5 m/sec Zero 2.0 m/sec 1.0 m/sec 0.5 m/sec Zero 2.0 m/sec 1.0 m/sec ANSWER DOWNLOAD EXAMIANS APP
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