Applied Mechanics and Graphic Statics If the velocity of projection is 4 m/sec and the angle of projection is α°, the maximum height of the projectile from a horizontal plane, is u² tan² α/2g u² sin 2α/2g u² sin² α/2g u² cos² α/2g u² tan² α/2g u² sin 2α/2g u² sin² α/2g u² cos² α/2g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity ratio of the differential wheel and axle is 2R/r1 2R/r1 + r2 R/r1 - r2 3R/r1 - r2 2R/r1 2R/r1 + r2 R/r1 - r2 3R/r1 - r2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is: Algebraic sum of vertical components of all the forces must be zero Algebraic sum of the moments of the forces about a point must be zero All (A), (B) and (C) Algebraic sum of horizontal components of all the forces must be zero Algebraic sum of vertical components of all the forces must be zero Algebraic sum of the moments of the forces about a point must be zero All (A), (B) and (C) Algebraic sum of horizontal components of all the forces must be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force acting on a point on the surface of a rigid body may be considered to act At the centre of gravity of the body At any point on the surface normal to the line of action of the force On the periphery of the body On any point on the line of action of the force At the centre of gravity of the body At any point on the surface normal to the line of action of the force On the periphery of the body On any point on the line of action of the force ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The instantaneous centre of a member lies at the point of intersection of two lines drawn at the ends of the member such that the lines are inclined to the direction of motion of the ends at 30° 60° 90° 45° 30° 60° 90° 45° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A block in the shape of a parallelepiped of sides 1m × 2m × 3m lies on the surface. Which of the faces gives maximum stable block? 1 m × 2 m 2 m × 3 m Equally stable on all faces 1 m × 3 m 1 m × 2 m 2 m × 3 m Equally stable on all faces 1 m × 3 m ANSWER DOWNLOAD EXAMIANS APP