Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is 0.55 0.3 0.4 0.5 0.55 0.3 0.4 0.5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A straight line Two straight lines A triangle A point A straight line Two straight lines A triangle A point ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone is whirled in a vertical circle, the tension in the string, is maximum When the string is horizontal When the stone is at the highest position At all the positions When the stone is at the lowest position When the string is horizontal When the stone is at the highest position At all the positions When the stone is at the lowest position 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 120 kg 750 kg 50 kg 100 kg 120 kg 750 kg 50 kg 100 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is moving downwards, the acceleration of the lift, is g/4 g/5 g/2 g/3 g/4 g/5 g/2 g/3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a non-concurrent force system to be in equilibrium Both force polygon and funicular polygon must close Only the closure of funicular polygon is sufficient None of these Only the closure of force polygon is sufficient Both force polygon and funicular polygon must close Only the closure of funicular polygon is sufficient None of these Only the closure of force polygon is sufficient ANSWER DOWNLOAD EXAMIANS APP
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