Applied Mechanics and Graphic Statics The tension in a cable supporting a lift Is less when the lift is moving downwards Remains constant whether its moves downwards or upwards Is more when the lift is moving downwards Is less when the lift is moving upwards Is less when the lift is moving downwards Remains constant whether its moves downwards or upwards Is more when the lift is moving downwards Is less when the lift is moving upwards ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The member forces in a statically in determinate truss Cannot be obtained by graphic statics Can be obtained by graphic statics by trial and error May be obtained by graphic statics Can be obtained by graphic statics Cannot be obtained by graphic statics Can be obtained by graphic statics by trial and error May be obtained by graphic statics Can be obtained by graphic statics ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is wl²/8d wl/4d wl²/4d wl²/16d wl²/8d wl/4d wl²/4d wl²/16d ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The torque produced by a force depends on i. the magnitude of the force ii. the direction of the force iii. the point of application of the force relative to origin The correct answer is both (i) and (ii) only (i) all (i), (ii) and (iii) both (i) and (iii) both (i) and (ii) only (i) all (i), (ii) and (iii) both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A weight of 100 kg is supported by a string whose ends are attached to pegs ‘A’ and ‘B’ at the same level shown in below figure. The tension in the string is 50 kg 120 kg 100 kg 750 kg 50 kg 120 kg 100 kg 750 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/sec hits an identical stationary ball ‘B’ on the table. If the impact is perfectly plastic, the velocity of the ball ‘B’ just after impact would be None of these 5 m/sec 10 m/sec Zero None of these 5 m/sec 10 m/sec Zero ANSWER DOWNLOAD EXAMIANS APP
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