Engineering Mechanics The center of percussion of a solid cylinder of radius ‘r’ resting on a horizontal plane will be 3r/2 2r/3 r/2 r/A 3r/2 2r/3 r/2 r/A ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A force while acting on a body may Give rise to the internal stresses in it All of these Balance the forces, already acting on it Change its motion Give rise to the internal stresses in it All of these Balance the forces, already acting on it Change its motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, whose lines of action are parallel to each other and act in the same directions, are known as Coplanar concurrent forces Like parallel forces Coplanar non-concurrent forces Unlike parallel forces Coplanar concurrent forces Like parallel forces Coplanar non-concurrent forces Unlike parallel forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is Constant Both of above are wrong Both of above are correct Equal to the moment of the couple Constant Both of above are wrong Both of above are correct Equal to the moment of the couple ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of α rad/s2, is None of these a = α/ r a = α.r a = r / α None of these a = α/ r a = α.r a = r / α ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Work done is said to be zero, when Either (A) or (B) Some force acts on a body, but displacement is zero No force acts on a body but some displacement takes place None of these Either (A) or (B) Some force acts on a body, but displacement is zero No force acts on a body but some displacement takes place None of these ANSWER DOWNLOAD EXAMIANS APP
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