Applied Mechanics And Graphic Statics - Study Mode
[#281] The tension in a cable supporting a lift
Correct Answer
(D) Is less when the lift is moving downwards
[#282] Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and
Correct Answer
(A) Concurrent
[#283] A stone is thrown up a slope of inclination 60° to the horizontal. At what angle to the slope must the stone be thrown so as to land as far as possible from the point of projection ?
Correct Answer
(A) 15°
[#284] 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
Correct Answer
(D) 425 m
[#285] A body of weight 14 g appears to weight 13 g when weighed by a spring balance in a moving lift. The acceleration of the lift at that moment was
Correct Answer
(B) 0.7 m/sec 2