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 20 —rad/sec 30 —rad/sec 10 None of these —rad/sec 20 —rad/sec 30 —rad/sec 10 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Periodic time of a particle moving with simple harmonic motion is the time taken by the particle for None of these Half oscillation Complete oscillation Quarter oscillation None of these Half oscillation Complete oscillation Quarter oscillation ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be 10 rad/sec 1 rad/sec 100 rad/sec 0.1 rad/sec 10 rad/sec 1 rad/sec 100 rad/sec 0.1 rad/sec 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 tan θ P² + Q² + 2PQ cos θ √(P² + Q² + 2PQ cos θ) P² + Q² + 2P sin θ P² + Q² + 2PQ tan θ P² + Q² + 2PQ cos θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to (where r is the distance of’the particle from centre of the earth) log r r2 r 1/r log r r2 r 1/r ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The torque produced by a force depends on (i) The magnitude of the force (ii) The direction of the force (iii) The point of application of the force relative to origin Both (i) and (iii) Both (i) and (ii) Only (i) All (i), (ii) and (iii) Both (i) and (iii) Both (i) and (ii) Only (i) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS