Applied Mechanics and Graphic Statics For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is 0.6 0.65 0.7 0.75 0.6 0.65 0.7 0.75 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A system of coplanar forces is in equilibrium when Both force polygon" and funicular polygon close Funicular polygon closes Force polygon closes All the forces are concurrent Both force polygon" and funicular polygon close Funicular polygon closes Force polygon closes All the forces are concurrent ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be 3.5 m/sec 1.5 m/sec 2.5 m/sec 0.5 m/sec 3.5 m/sec 1.5 m/sec 2.5 m/sec 0.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is 7.5 cm 8.75 cm 7.85 cm 5.0 cm 7.5 cm 8.75 cm 7.85 cm 5.0 cm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a ladder resisting on a smooth ground and leaning against a rough vertical wall, the force of friction acts Towards the wall at its upper end Downwards at its upper end Away from the wall at its upper end Upwards at its upper end Towards the wall at its upper end Downwards at its upper end Away from the wall at its upper end Upwards at its upper end 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 stone is at the highest position When the string is horizontal At all the positions When the stone is at the lowest position When the stone is at the highest position When the string is horizontal At all the positions When the stone is at the lowest position ANSWER DOWNLOAD EXAMIANS APP
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