Applied Mechanics and Graphic Statics A system of coplanar forces is in equilibrium when All the forces are concurrent Force polygon closes Both force polygon" and funicular polygon close Funicular polygon closes All the forces are concurrent Force polygon closes Both force polygon" and funicular polygon close Funicular polygon closes ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity ratio of an inclined plane of inclination ‘θ’ with horizontal for lifting a load is cos θ tan θ cosec θ sin θ cos θ tan θ cosec θ sin θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is 6.28 m/sec 1.57 m/sec 1.00 m/sec 3.14 m/sec 6.28 m/sec 1.57 m/sec 1.00 m/sec 3.14 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known Limiting friction Sliding friction Rolling friction None of these Limiting friction Sliding friction Rolling friction None of these 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 None of these —rad/sec 30 —rad/sec 20 —rad/sec 10 None of these —rad/sec 30 —rad/sec 20 —rad/sec 10 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Power can be expressed as Work/distance Work/time Work/energy Work × time Work/distance Work/time Work/energy Work × time ANSWER DOWNLOAD EXAMIANS APP
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