Engineering Mechanics The friction experienced by a body, when in motion, is known as Static friction Rolling friction Limiting friction Dynamic friction Static friction Rolling friction Limiting friction Dynamic friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The bodies which rebound after impact are called Neither elastic nor inelastic bodies Elastic bodies Inelastic bodies None of these Neither elastic nor inelastic bodies Elastic bodies Inelastic bodies None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is 3mr²/5 2mr²/3 mr²/3 2mr²/5 3mr²/5 2mr²/3 mr²/3 2mr²/5 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 = g cos β/2u sin (α - β) t = g cos β/2u sin (α + β) t = 2u sin (α - β)/g cos β t = 2u sin (α + β)/g cos β t = g cos β/2u sin (α - β) t = g cos β/2u sin (α + β) t = 2u sin (α - β)/g cos β t = 2u sin (α + β)/g cos β ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a sphere of mass 'm' and radius 'r', about an axis tangential to it, is 7mr²/3 2mr²/3 7mr²/5 2mr²/5 7mr²/3 2mr²/3 7mr²/5 2mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be Towards the wall at its upper end Away from the wall at its upper end Downwards at its upper end Upwards at its upper end Towards the wall at its upper end Away from the wall at its upper end Downwards at its upper end Upwards at its upper end ANSWER DOWNLOAD EXAMIANS APP