Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is 2πN/180 πN/60 πN/180 2πN/60 2πN/180 πN/60 πN/180 2πN/60 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
Engineering Mechanics The motion of a particle round a fixed axis is Translatory Circular Rotary Translatory as well as rotary Translatory Circular Rotary Translatory as well as rotary ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to completely specify angular displacement by a vector, it must fix Sense of angular displacement Direction of the axis of rotation All of these Magnitude of angular displacement Sense of angular displacement Direction of the axis of rotation All of these Magnitude of angular displacement ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The coefficient of restitution for inelastic bodies is Zero Between zero and one More than one One Zero Between zero and one More than one One ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of α rad/s2, is a = α/ r a = α.r a = r / α None of these a = α/ r a = α.r a = r / α None of these ANSWER DOWNLOAD EXAMIANS APP