Engineering Mechanics Center of gravity of a thin hollow cone lies on the axis at a height of One-fourth of the total height above base One-third of the total height above base Three-eighth of the total height above the base One-half of the total height above base One-fourth of the total height above base One-third of the total height above base Three-eighth of the total height above the base One-half of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The acceleration of a body sliding down an inclined surface is g sinθ g cosθ None of these g tanθ g sinθ g cosθ None of these g tanθ 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. More than Less than None of These Equal to More than Less than None of These Equal to 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 friction experienced by a body, when in motion, is known as Dynamic friction Limiting friction Rolling friction Static friction Dynamic friction Limiting friction Rolling friction Static friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin rod of mass 'm' and length 'l', about an axis through its centre of gravity and perpendicular to its length is ml2/4 ml2/8 ml2/12 ml2/ 6 ml2/4 ml2/8 ml2/12 ml2/ 6 ANSWER DOWNLOAD EXAMIANS APP