Engineering Mechanics Work done is said to be zero, when No force acts on a body but some displacement takes place Either (A) or (B) Some force acts on a body, but displacement is zero None of these No force acts on a body but some displacement takes place Either (A) or (B) Some force acts on a body, but displacement is zero None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The point, through which the whole weight of the body acts, irrespective of its position, is known as Center of gravity Moment of inertia Center of percussion Center of mass Center of gravity Moment of inertia Center of percussion Center of mass ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of coplanar forces acting at a point be in equilibrium, the sum of clockwise moments must be __________ the sum of anticlockwise moments, about any point. Equal to Less than None of these Greater than Equal to Less than None of these Greater than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A ladder is resting on a smooth ground and leaning against a rough vertical wall. The force of friction will act Towards the wall at its upper end Away from the wall at its upper end Downward at its upper end Upward at its upper end Towards the wall at its upper end Away from the wall at its upper end Downward at its upper end Upward at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is db³/12 db³/36 bd³/36 bd³/12 db³/12 db³/36 bd³/36 bd³/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time of a particle with simple harmonic motion is _________ proportional to the angular velocity. Square root None of these Inversely Directly Square root None of these Inversely Directly ANSWER DOWNLOAD EXAMIANS APP
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