Applied Mechanics and Graphic Statics A block of weight 50 kg is placed on a horizontal plane. When a horizontal force of 18 kg is applied, the block is just on the point of motion. The angle of friction is 20° 48' 19° 48' 17° 48' 18° 48' 20° 48' 19° 48' 17° 48' 18° 48' ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down Momentum of rubber ball is less than that of lead ball Rubber and lead balls undergo equal changes in momentum Change in momentum suffered by lead ball is less that of rubber ball None of these Momentum of rubber ball is less than that of lead ball Rubber and lead balls undergo equal changes in momentum Change in momentum suffered by lead ball is less that of rubber ball None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the angular distance, 0 = 2t³ ‑ 3t², the angular acceleration at t = 1 sec. is 12 rad/sec² 4 rad/sec² 1 rad/sec² 6 rad/sec² 12 rad/sec² 4 rad/sec² 1 rad/sec² 6 rad/sec² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics To attain the synchronous orbit, the launch of a satellite, is done from a place On equator On 30° latitude On the poles On 45° latitude On equator On 30° latitude On the poles On 45° latitude ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body is said to move with Simple Harmonic Motion if its acceleration, is Inversely proportion to the distance from the point of reference Proportional to the square of the distance from the point of reference Always directed away from the centre, the point of reference Proportional to the distance from the point of reference and directed towards it Inversely proportion to the distance from the point of reference Proportional to the square of the distance from the point of reference Always directed away from the centre, the point of reference Proportional to the distance from the point of reference and directed towards it ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be None of these More than 50% Less than 60% 0.5 None of these More than 50% Less than 60% 0.5 ANSWER DOWNLOAD EXAMIANS APP