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 400 J 50 J 200 J 150 J 400 J 50 J 200 J 150 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’, is P² + Q² + 2PQ cos θ P² + Q² + 2P sin θ √(P² + Q² + 2PQ cos θ) P² + Q² + 2PQ tan θ P² + Q² + 2PQ cos θ P² + Q² + 2P sin θ √(P² + Q² + 2PQ cos θ) P² + Q² + 2PQ tan θ 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 √2 T 2 T 1/2 T 3 T √2 T 2 T 1/2 T 3 T ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Minimum potential energy of a system will be in the position of Neutral equilibrium Stable equilibrium All of these Unstable equilibrium Neutral equilibrium Stable equilibrium All of these Unstable equilibrium ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics At the instantaneous center, the velocity of the moving lamina at any instant is Varying Minimum Zero Maximum Varying Minimum Zero Maximum ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is 12.88 m/sec 5.88 m/sec 8.88 m/sec 10.88 m/sec 12.88 m/sec 5.88 m/sec 8.88 m/sec 10.88 m/sec ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS