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
Engineering Mechanics One kg force is equal to 8.9 N 7.8 N 12 N 9.8 N 8.9 N 7.8 N 12 N 9.8 N ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin disc of mass ‘m’ and radius ‘r’, about an axis through its center of gravity and perpendicular to the plane of the disc is mr²/8 mr²/4 mr²/2 mr²/6 mr²/8 mr²/4 mr²/2 mr²/6 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be Downwards at its upper end Towards the wall at its upper end Away from the wall at its upper end Upwards at its upper end Downwards at its upper end Towards the wall at its upper end Away from the wall at its upper end Upwards at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by P - Q P / Q Q / P P + Q P - Q P / Q Q / P P + Q ANSWER DOWNLOAD EXAMIANS APP
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
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