Engineering Mechanics The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is 60° + β/2 β/2 45° + β/2 30° + β/2 60° + β/2 β/2 45° + β/2 30° + β/2 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: None of these The change in momentum suffered by rubber ball is less than the lead ball Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is more than the lead ball None of these The change in momentum suffered by rubber ball is less than the lead ball Both the balls undergo an equal change in momentum The change in momentum suffered by rubber ball is more than the lead ball ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The friction experienced by a body, when at rest, is known as Coefficient of friction Dynamic friction Static friction Limiting friction Coefficient of friction Dynamic friction Static friction Limiting friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is 2πN/180 πN/180 2πN/60 πN/60 2πN/180 πN/180 2πN/60 πN/60 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base. Four times Nine times Six times Two times Four times Nine times Six times Two times 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