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 30 50 60 80 30 50 60 80 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The gravitational force makes a satellite go round the earth in a circular orbit, if it is projected with an initial velocity of 8.04 km/sec at a height of 285 km 11.11 km/sec at a height of 37,400 km All listed here 11.26 km/sec, the satellite escapes the pull of the earth 8.04 km/sec at a height of 285 km 11.11 km/sec at a height of 37,400 km All listed here 11.26 km/sec, the satellite escapes the pull of the earth ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be 5 m/sec None of these Zero 10 m/sec 5 m/sec None of these Zero 10 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of two forces acting at right angles is √34 kg and acting at 60° is 70 kg. The forces are √3 kg and √5 kg 3 kg and 5 kg 2 kg and 3 kg 1 kg and 4 kg √3 kg and √5 kg 3 kg and 5 kg 2 kg and 3 kg 1 kg and 4 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if Floor and wall both are smooth surfaces Floor and wall both are rough surfaces Floor is rough and the wall is smooth Floor is smooth and the wall is rough Floor and wall both are smooth surfaces Floor and wall both are rough surfaces Floor is rough and the wall is smooth Floor is smooth and the wall is rough ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of the moment of inertia of a rectangle about its centroidal axis to the moment of inertia about its base, is 2 43832 43834 43894 2 43832 43834 43894 ANSWER DOWNLOAD EXAMIANS APP