Engineering Mechanics The maximum mechanical advantage of a lifting machine is 1 / m m 1 - m 1 + m 1 / m m 1 - m 1 + m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity of a particle moving with simple harmonic motion is _________ at the mean position. Minimum Zero None of these Maximum Minimum Zero None of these Maximum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a body is acted upon by a number of coplanar non-concurrent forces, it may Move in any one direction rotating about itself Rotate about itself without moving Be completely at rest All of these Move in any one direction rotating about itself Rotate about itself without moving Be completely at rest All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Angle of friction is the Angle between normal reaction and the resultant of normal reaction and the limiting friction Ratio of limiting friction and normal reaction The ratio of minimum friction force to friction force acting when the body is in motion The ratio of minimum friction force to the friction force acting when the body is just about to move Angle between normal reaction and the resultant of normal reaction and the limiting friction Ratio of limiting friction and normal reaction The ratio of minimum friction force to friction force acting when the body is in motion The ratio of minimum friction force to the friction force acting when the body is just about to move ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be Downwards at its upper end Towards the wall at its upper end Away from the wall at its upper end Upwards at its upper end Downwards at its upper end Towards the wall at its upper end Away from the wall at its upper end Upwards at its upper end 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 = 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 ANSWER DOWNLOAD EXAMIANS APP