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 4r/ 3π 3r/4π 3r/ 8 8r/3 4r/ 3π 3r/4π 3r/ 8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The wheels of a moving car possess Potential energy only Kinetic energy of translation and rotation both Kinetic energy of translation only Kinetic energy of rotation only Potential energy only Kinetic energy of translation and rotation both Kinetic energy of translation only Kinetic energy of rotation only ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The energy possessed by a body, for doing work by virtue of its position, is called Chemical energy Potential energy Kinetic energy Electrical energy Chemical energy Potential energy Kinetic energy Electrical energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics According to parallel axis theorem, the moment of inertia of a section about an axis parallel to the axis through center of gravity (i.e. IP) is given by(where, A = Area of the section, IG = Moment of inertia of the section about an axis passing through its C.G., and h = Distance between C.G. and the parallel axis.) IP = Ah2 / IG IP = IG / Ah2 IP = IG - Ah2 IP = IG + Ah2 IP = Ah2 / IG IP = IG / Ah2 IP = IG - Ah2 IP = IG + Ah2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The coefficient of friction depends upon Nature of surfaces All of these Shape of the surfaces Area of contact Nature of surfaces All of these Shape of the surfaces Area of contact ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the body falls freely under gravity, then the gravitational acceleration is taken as -9.8 m/s2 -8.9 m/s2 +8.9 m/s2 +9.8 m/s2 -9.8 m/s2 -8.9 m/s2 +8.9 m/s2 +9.8 m/s2 ANSWER DOWNLOAD EXAMIANS APP
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