Engineering Mechanics A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span 3.0 cm 4.0 cm 2.5 cm 5.0 cm 3.0 cm 4.0 cm 2.5 cm 5.0 cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the balls with velocity ‘v’ is made to strike the second ball. Both the balls after impact will move with a velocity v/8 v/2 v/4 v v/8 v/2 v/4 v ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 60° 90° 45° 30° 60° 90° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will Slant down towards direction of pull None of these Slant up towards direction of pull Remain horizontal Slant down towards direction of pull None of these Slant up towards direction of pull Remain horizontal ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P cotθ/2 2P sinθ/2 2P tanθ/2 2P cosθ/2 2P cotθ/2 2P sinθ/2 2P tanθ/2 2P cosθ/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a person, on a bicycle, drives round a curve, he has to lean __________ to maintain equilibrium. Outward Inward Towards front Towards back Outward Inward Towards front Towards back ANSWER DOWNLOAD EXAMIANS APP
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