Engineering Mechanics The rate of doing work is known as Potential energy Kinetic energy None of these Power Potential energy Kinetic energy None of these Power 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 up towards direction of pull Slant down towards direction of pull None of these Remain horizontal Slant up towards direction of pull Slant down towards direction of pull None of these Remain horizontal ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity of a body on reaching the ground from a height h, is √(2gh) 2.√(gh) 2g.√h √(gh) √(2gh) 2.√(gh) 2g.√h √(gh) ANSWER DOWNLOAD EXAMIANS APP
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 2.5 cm 4.0 cm 3.0 cm 5.0 cm 2.5 cm 4.0 cm 3.0 cm 5.0 cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is correct in connection with projectiles? All of these A path, traced by a projectile in the space, is known as trajectory. The angle, with the horizontal, at which a projectile is projected, is known as angle of projection. The velocity, with which a projectile is projected, is known as the velocity of projection. All of these A path, traced by a projectile in the space, is known as trajectory. The angle, with the horizontal, at which a projectile is projected, is known as angle of projection. The velocity, with which a projectile is projected, is known as the velocity of projection. ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a body sliding down an inclined surface is g sinθ g tanθ g cosθ None of these g sinθ g tanθ g cosθ None of these ANSWER DOWNLOAD EXAMIANS APP