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 (a² + ab + b²)/3 (a + b) (a² + ab + c²)/3 (a + c) None of these (b² + bc + c²)/3 (b + c) (a² + ab + b²)/3 (a + b) (a² + ab + c²)/3 (a + c) None of these (b² + bc + c²)/3 (b + c) ANSWER DOWNLOAD EXAMIANS APP
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 4 5 3 2 4 5 3 2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force Acts away from the centre of rotation Acts tangentially to the circular path Is mw2r/g kgf Acts towards the centre of rotation Acts away from the centre of rotation Acts tangentially to the circular path Is mw2r/g kgf Acts towards the centre of rotation ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Minimum pull in a suspended cable with supports at two ends is equal to Support reactions Half the weight of the cable Resultant of horizontal thrust and support reaction Horizontal thrust Support reactions Half the weight of the cable Resultant of horizontal thrust and support reaction Horizontal thrust ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Which of the following represents the state of neutral equilibrium? A smooth cylinder lying on a convex surface A smooth cylinder lying on a curved surface A cube resting on one edge None of these A smooth cylinder lying on a convex surface A smooth cylinder lying on a curved surface A cube resting on one edge None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body falls freely under gravitational force, it possesses Maximum weight No weight No effect on its weight Minimum weight Maximum weight No weight No effect on its weight Minimum weight ANSWER DOWNLOAD EXAMIANS APP
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