Engineering Mechanics The velocity of a body on reaching the ground from a height h, is 2.√(gh) √(gh) √(2gh) 2g.√h 2.√(gh) √(gh) √(2gh) 2g.√h 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 Upwards at its upper end Downwards at its upper end Zero at its upper end Perpendicular to the wall at its upper end Upwards at its upper end Downwards at its upper end Zero at its upper end Perpendicular to the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, which meet at one point, but their lines of action do not lie in a plane, are called Coplanar non-concurrent forces Non-coplanar non-concurrent forces Intersecting forces Non-coplanar concurrent forces Coplanar non-concurrent forces Non-coplanar non-concurrent forces Intersecting forces Non-coplanar concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The mechanical advantage of a lifting machine is the ratio of Output to the input All of these Distance moved by effort to the distance moved by load Load lifted to the effort applied Output to the input All of these Distance moved by effort to the distance moved by load Load lifted to the effort applied ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion is below the centre of gravity of the body and is at a distance equal to h × kG kG2/h h2/kG h/kG h × kG kG2/h h2/kG h/kG ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resolved part of the resultant of two forces inclined at an angle 'θ' in a given direction is equal to The sum of the forces multiplied by the sine of θ The difference of the forces multiplied by the cosine of θ The algebraic sum of the resolved parts of the forces in the given direction The sum of the resolved parts of the forces in the given direction The sum of the forces multiplied by the sine of θ The difference of the forces multiplied by the cosine of θ The algebraic sum of the resolved parts of the forces in the given direction The sum of the resolved parts of the forces in the given direction ANSWER DOWNLOAD EXAMIANS APP