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 None of these (a² + ab + b²)/3 (a + b) (a² + ab + c²)/3 (a + c) (b² + bc + c²)/3 (b + c) None of these (a² + ab + b²)/3 (a + b) (a² + ab + c²)/3 (a + c) (b² + bc + c²)/3 (b + c) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When two forces, each equal to P, act at 90° to each other, then the resultant will be P P√2 2P P/√2 P P√2 2P P/√2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the velocity of projection is 4 m/sec and the angle of projection is α°, the maximum height of the projectile from a horizontal plane, is u² sin 2α/2g u² cos² α/2g u² tan² α/2g u² sin² α/2g u² sin 2α/2g u² cos² α/2g u² tan² α/2g u² sin² α/2g 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 Zero 5 m/sec None of these 10 m/sec Zero 5 m/sec None of these 10 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics At the instantaneous center, the velocity of the moving lamina at any instant is Zero Varying Minimum Maximum Zero Varying Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Angular acceleration of a particle may be expressed as All listed here Radians/sec² Revolutions/sec Degrees/sec² All listed here Radians/sec² Revolutions/sec Degrees/sec² ANSWER DOWNLOAD EXAMIANS APP
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