Applied Mechanics and Graphic Statics The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t²+ 5. The ratio of the accelerations after 5 sec and 3 sec will be 5 3 2 4 5 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum displacement of a particle executing S.H.M. corresponds to Zero kinetic energy and maximum potential energy Maximum kinetic energy and maximum potential energy Zero potential energy and maximum kinetic energy Minimum kinetic energy and minimum potential energy Zero kinetic energy and maximum potential energy Maximum kinetic energy and maximum potential energy Zero potential energy and maximum kinetic energy Minimum kinetic energy and minimum potential energy ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is 5.0 cm 8.75 cm 7.5 cm 7.85 cm 5.0 cm 8.75 cm 7.5 cm 7.85 cm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle of projection for a range is equal to the distance through which the particle would have fallen in order to acquire a velocity equal to the velocity of projection, will be 75° 45° 30° 60° 75° 45° 30° 60° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is 20 m/sec 22 m/sec 18 m/sec 16 m/sec 20 m/sec 22 m/sec 18 m/sec 16 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is 60 50 80 30 60 50 80 30 ANSWER DOWNLOAD EXAMIANS APP