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 mechanical advantage of a lifting machine is the ratio of All of these Output to the input Distance moved by effort to the distance moved by load Load lifted to the effort applied All of these Output to the input Distance moved by effort to the distance moved by load Load lifted to the effort applied ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia is the Second moment of force Second moment of area Second moment of mass All of these Second moment of force Second moment of area Second moment of mass All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The coefficient of friction depends upon Shape of the surfaces Nature of surfaces Area of contact All of these Shape of the surfaces Nature of surfaces Area of contact All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio for the first system of pulleys is (where n is the number of pulleys.) 2n 2n - 1 n² n 2n 2n - 1 n² n ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The friction experienced by a body, when in motion, is known as Limiting friction Dynamic friction Static friction Rolling friction Limiting friction Dynamic friction Static friction Rolling friction ANSWER DOWNLOAD EXAMIANS APP
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