Engineering Mechanics The horizontal range of a projectile (R) is given by R = u² sin2α/g R = u² cos2α/g R = u² cosα/g R = u² sinα/g R = u² sin2α/g R = u² cos2α/g R = u² cosα/g R = u² sinα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to None of these Half the area of the triangle Area of the triangle Twice the area of the triangle None of these Half the area of the triangle Area of the triangle Twice the area of the triangle ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is 2mr²/5 2mr²/3 mr²/3 3mr²/5 2mr²/5 2mr²/3 mr²/3 3mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of a right circular solid cone is at a distance of _________ from its base, measured along the vertical axis.(where h = Height of a right circular solid cone.) h/6 h/4 h/2 h/3 h/6 h/4 h/2 h/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a solid cone of mass ‘m’ and base radius ‘r’ about its vertical axis is 4mr²/5 2mr²/5 3mr²/10 3mr²/5 4mr²/5 2mr²/5 3mr²/10 3mr²/5 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 C.G. and parallel to the base, is bh3/8 bh3/12 bh3/4 bh3/36 bh3/8 bh3/12 bh3/4 bh3/36 ANSWER DOWNLOAD EXAMIANS APP