Applied Mechanics and Graphic Statics A satellite is said to move in a synchronous orbit if it moves at an altitude of 36,000 km with a maximum velocity of about 11,000 km per hour 8000 km per hour 9000 km per hour 7000 km per hour 11,000 km per hour 8000 km per hour 9000 km per hour 7000 km per hour ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the incorrect statement from the following. In a simple harmonic motion Velocity is maximum at its mean position Acceleration is zero at the mean position Acceleration is minimum at the end of the stroke Velocity is minimum at the end of the stroke Velocity is maximum at its mean position Acceleration is zero at the mean position Acceleration is minimum at the end of the stroke Velocity is minimum at the end of the stroke ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angles between two forces to make their resultant a minimum and a maximum respectively are 0° and 90° 180° and 0° 90° and 180° 180° and 90° 0° and 90° 180° and 0° 90° and 180° 180° and 90° 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) r r2 log r 1/r r r2 log r 1/r ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis? Both discs will have same rotational inertia Disc with smaller density None of these Disc with larger density Both discs will have same rotational inertia Disc with smaller density None of these Disc with larger density ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces are in equilibrium, then the forces must(i) Be equal in magnitude(ii) Be opposite in sense(iii) Act along the same line (i) and (ii) All (i), (ii) and (iii) Only (i) (i) and (iii) (i) and (ii) All (i), (ii) and (iii) Only (i) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP