Applied Mechanics and Graphic Statics A system of coplanar forces is in equilibrium when Both force polygon" and funicular polygon close Funicular polygon closes Force polygon closes All the forces are concurrent Both force polygon" and funicular polygon close Funicular polygon closes Force polygon closes All the forces are concurrent ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A shell travelling with a horizontal velocity of 100 m/sec explodes and splits into two parts, one of mass 10 kg and the other of 15 kg. The 15 kg mass drops vertically downward with initial velocity of 100 m/sec and the 10 kg mass begins to travel at an angle to the horizontal of tan”1 x, where x is 5/3 3/4 4/5 3/5 5/3 3/4 4/5 3/5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The unit of Moment of Inertia of a body, is m m⁴ m² m³ m m⁴ m² m³ 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 None of these —rad/sec 30 —rad/sec 10 —rad/sec 20 None of these —rad/sec 30 —rad/sec 10 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be 1/2 T 3 T √2 T 2 T 1/2 T 3 T √2 T 2 T ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a plane lamina will not be at its geometrical centre if it is a Equilateral triangle Circle Right angled triangle Rectangle Equilateral triangle Circle Right angled triangle Rectangle ANSWER DOWNLOAD EXAMIANS APP