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 8r/3 3r/ 8 4r/ 3π 3r/4π 8r/3 3r/ 8 4r/ 3π ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The mechanical advantage of a lifting machine is the ratio of Output to the input All of these Distance moved by effort to the distance moved by load Load lifted to the effort applied Output to the input All of these Distance moved by effort to the distance moved by load Load lifted to the effort applied ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of doing work is known as Potential energy None of these Kinetic energy Power Potential energy None of these Kinetic energy Power ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the gravitational acceleration at any place is doubled, then the weight of a body will be g 2g √2.g g/2 g 2g √2.g g/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Angle of friction is the The ratio of minimum friction force to the friction force acting when the body is just about to move Ratio of limiting friction and normal reaction Angle between normal reaction and the resultant of normal reaction and the limiting friction The ratio of minimum friction force to friction force acting when the body is in motion The ratio of minimum friction force to the friction force acting when the body is just about to move Ratio of limiting friction and normal reaction Angle between normal reaction and the resultant of normal reaction and the limiting friction The ratio of minimum friction force to friction force acting when the body is in motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The motion of a wheel of a car is Purely rotational None of the listed here Purely translation Combined translation and rotational Purely rotational None of the listed here Purely translation Combined translation and rotational ANSWER DOWNLOAD EXAMIANS APP
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