Engineering Mechanics The coefficient of friction depends upon Nature of surfaces Area of contact All of these Shape of the surfaces Nature of surfaces Area of contact All of these Shape of the surfaces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A body of mass ‘m’ moving with a constant velocity ‘v’ strikes another body of same mass moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is v 8v 4v 2v v 8v 4v 2v 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. 8r/3 3r/ 8 4r/ 3π 3r/4π 8r/3 3r/ 8 4r/ 3π 3r/4π ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side (a) about an axis through its center of gravity is a4/4 a4/36 a4/8 a4/12 a4/4 a4/36 a4/8 a4/12 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 mechanical advantage of a lifting machine is the ratio of All of these Output to the input Distance moved by effort to the distance moved by load Load lifted to the effort applied All of these Output to the input Distance moved by effort to the distance moved by load Load lifted to the effort applied ANSWER DOWNLOAD EXAMIANS APP
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