Engineering Mechanics The moment of inertia of a solid cone of mass ‘m’ and base radius ‘r’ about its vertical axis is 3mr²/5 3mr²/10 4mr²/5 2mr²/5 3mr²/5 3mr²/10 4mr²/5 2mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio in case of an inclined plane inclined at angle 'θ' to the horizontal and weight being pulled up the inclined plane by vertical effort is tanθ cosecθ cosθ sinθ tanθ cosecθ cosθ sinθ ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of a projectile is maximum, when the angle of projection is 30° 45° 90° 60° 30° 45° 90° 60° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following: The change in momentum suffered by rubber ball is less than the lead ball None of these The change in momentum suffered by rubber ball is more than the lead ball Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is less than the lead ball None of these The change in momentum suffered by rubber ball is more than the lead ball Both the balls undergo an equal change in momentum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The coefficient of friction depends upon All of these Nature of surfaces Shape of the surfaces Area of contact All of these Nature of surfaces Shape of the surfaces Area of contact ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces which meet at one point, but their lines of action __________ on the same plane, are Known as non-coplanar concurrent forces. None of these Lie Do not lie Either A or B None of these Lie Do not lie Either A or B ANSWER DOWNLOAD EXAMIANS APP