Engineering Mechanics A force while acting on a body may Change its motion Give rise to the internal stresses in it Balance the forces, already acting on it All of these Change its motion Give rise to the internal stresses in it Balance the forces, already acting on it All of these 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 = 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 t = g cos β/2u sin (α - β) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Non-coplanar concurrent forces are those forces which Do not meet at one point, but their lines of action lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Meet at one point, but their lines of action do not lie on the same plane Meet at one point and their lines of action also lie on the same plane Do not meet at one point, but their lines of action lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Meet at one point, but their lines of action do not lie on the same plane Meet at one point and their lines of action also lie on the same plane ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to completely specify angular displacement by a vector, it must fix All of these Direction of the axis of rotation Sense of angular displacement Magnitude of angular displacement All of these Direction of the axis of rotation Sense of angular displacement Magnitude of angular displacement ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time of one oscillation for a simple pendulum is (where l = Length of the pendulum.) None of these (1/2π). √(l/g) 2π. √(l/g) (1/2π). √(g/l) None of these (1/2π). √(l/g) 2π. √(l/g) (1/2π). √(g/l) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In ideal machines, mechanical advantage is __________ velocity ratio. Greater than Less than Equal to None of these Greater than Less than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS