Applied Mechanics and Graphic Statics The centre of gravity of a trapezoidal dam section whose top width is a, bottom width is band the vertical side is a, from its vertical face is (b² + bc + c²)/3 (b + c) None of these (a² + ab + c²)/3 (a + c) (a² + ab + b²)/3 (a + b) (b² + bc + c²)/3 (b + c) None of these (a² + ab + c²)/3 (a + c) (a² + ab + b²)/3 (a + b) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body of weight 14 g appears to weight 13 g when weighed by a spring balance in a moving lift. The acceleration of the lift at that moment was 1 m/sec² 0.7 m/sec² 0.5 m/sec² 1 cm/sec² 1 m/sec² 0.7 m/sec² 0.5 m/sec² 1 cm/sec² ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity of a moving body, is A constant quantity A vector quantity A scalar quantity None of these A constant quantity A vector quantity A scalar quantity None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle of friction is: The ratio of the friction and the normal reaction The force of friction at which the body is just about to move The force of friction when the body is in motion The angle between the normal reaction and the resultant of normal reaction and limiting friction The ratio of the friction and the normal reaction The force of friction at which the body is just about to move The force of friction when the body is in motion The angle between the normal reaction and the resultant of normal reaction and limiting friction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following is in unstable equilibrium A uniform solid cone resting on a generator on a smooth horizontal plane A solid cube resting on one edge A uniform solid cone resting on its base on a horizontal plane A satellite encircling the earth A uniform solid cone resting on a generator on a smooth horizontal plane A solid cube resting on one edge A uniform solid cone resting on its base on a horizontal plane A satellite encircling the earth ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The number of funicular polygons which can be drawn to pass through two specified points in the space diagram are 2 1 zero infinity 2 1 zero infinity ANSWER DOWNLOAD EXAMIANS APP