Engineering Mechanics The center of percussion of a solid cylinder of radius ‘r’ resting on a horizontal plane will be r/A 3r/2 r/2 2r/3 r/A 3r/2 r/2 2r/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration. None of these Downwards Horizontal Upwards None of these Downwards Horizontal Upwards ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces which meet at one point, but their lines of action __________ on the same plane, are Known as non-coplanar concurrent forces. None of these Do not lie Lie Either A or B None of these Do not lie Lie Either A or B ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is Constant Both of above are wrong Both of above are correct Equal to the moment of the couple Constant Both of above are wrong Both of above are correct Equal to the moment of the couple 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 None of these Slant up towards direction of pull Slant down towards direction of pull Remain horizontal None of these Slant up towards direction of pull Slant down towards direction of pull Remain horizontal ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 3r/4π 3r/ 8 4r/ 3π 8r/3 3r/4π 3r/ 8 4r/ 3π 8r/3 ANSWER DOWNLOAD EXAMIANS APP
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