Engineering Mechanics The unit of work in S.I. units is kg-m joule erg Newton kg-m joule erg Newton ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Varingon's theorem of moments states that if a number of coplanar forces acting on a particle are in equilibrium, then Their lines of action are at equal distances The algebraic sum of their moments about any point in their plane is zero Their algebraic sum is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their lines of action are at equal distances The algebraic sum of their moments about any point in their plane is zero Their algebraic sum is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point 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 The range of projectile on a downward inclined plane is ________ the range on upward inclined plane for the same velocity of projection and angle of projection. None of These Less than Equal to More than None of These Less than Equal to More than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight (t) of a projectile on an upward inclined plane is(where u = Velocity of projection, α = Angle of projection, and β = Inclination of the plane with the horizontal.) t = 2u sin (α + β)/g cos β t = g cos β/2u sin (α - β) t = 2u sin (α - β)/g cos β t = g cos β/2u sin (α + β) t = 2u sin (α + β)/g cos β t = g cos β/2u sin (α - β) t = 2u sin (α - β)/g cos β t = g cos β/2u sin (α + β) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity of a body on reaching the ground from a height h, is √(2gh) 2g.√h √(gh) 2.√(gh) √(2gh) 2g.√h √(gh) 2.√(gh) ANSWER DOWNLOAD EXAMIANS APP