Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 4r/ 3π 3r/4π 8r/3 3r/ 8 4r/ 3π 3r/4π 8r/3 3r/ 8 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If rain is falling in the opposite direction of the movement of a pedestrian, he has to hold his umbrella Less inclined when moving More inclined when moving Less inclined when standing More inclined when standing Less inclined when moving More inclined when moving Less inclined when standing More inclined when standing ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The point, through which the whole weight of the body acts, irrespective of its position, is known as Moment of inertia Center of percussion Center of gravity Center of mass Moment of inertia Center of percussion Center of gravity Center of mass ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Mass moment of inertia of a uniform thin rod of mass M and length (l) about its mid-point and perpendicular to its length is (2/3) Ml² (1/12) Ml² (1/3) Ml² (3/4) Ml² (2/3) Ml² (1/12) Ml² (1/3) Ml² (3/4) Ml² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be Zero at its upper end Downwards at its upper end Perpendicular to the wall at its upper end Upwards at its upper end Zero at its upper end Downwards at its upper end Perpendicular to the wall at its upper end Upwards at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body of mass moment of inertia 'I' (about a given axis) is rotated about that axis with an angular velocity to, then the kinetic energy of rotation is Iω 0.5 Iω2 0.5 Iω Iω2 Iω 0.5 Iω2 0.5 Iω Iω2 ANSWER DOWNLOAD EXAMIANS APP
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