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 0.5 0.3 0.4 0.55 0.5 0.3 0.4 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 Downwards at its upper end Towards the wall at its upper end Upwards at its upper end Away from the wall at its upper end Downwards at its upper end Towards the wall at its upper end Upwards at its upper end Away from the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two shots fired simultaneously from the top and bottom of a vertical tower with elevations of 30° and 45° respectively strike a target simultaneously. If horizontal distance of the target from the tower is 1000 m, the height of the tower is 350 m 425 m 400 m 375 m 350 m 425 m 400 m 375 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is n/2 rpm n/4 rpm 2n rpm n rpm n/2 rpm n/4 rpm 2n rpm n rpm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following is in unstable equilibrium A uniform solid cone resting on its base on a horizontal plane A solid cube resting on one edge A satellite encircling the earth A uniform solid cone resting on a generator on a smooth horizontal plane A uniform solid cone resting on its base on a horizontal plane A solid cube resting on one edge A satellite encircling the earth A uniform solid cone resting on a generator on a smooth horizontal plane ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The rate of change of displacement of a body with respect to its surrounding, is known None of these Velocity Acceleration Speed None of these Velocity Acceleration Speed ANSWER DOWNLOAD EXAMIANS APP
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