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 sin² α/2g u² sin 2α/2g u² cos² α/2g u² tan² α/2g u² sin² α/2g u² sin 2α/2g u² cos² α/2g u² tan² α/2g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A quantity whose dimensions are M2L2T3 could be the product of mass and power force and pressure energy and velocity force and velocity mass and power force and pressure energy and velocity force and velocity ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the given forces P₁, P₂, P₃ and P₄ are such that the force polygon does not close, then the system will Always reduce to a resultant force Both (A) and (C) Be in equilibrium Always reduce to a couple Always reduce to a resultant force Both (A) and (C) Be in equilibrium Always reduce to a couple ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Varingon’s theorem of moment’s states Arithmetical sum of the moments of the forces about any point in their plane, is equal to the moment of their resultant about that point Algebraic sum of the moments of the forces about any point in their plane, is equal to the moment of their resultant about that point Algebraic sum of the moments of two forces about any point, is equal to the moment of their resultant about that point Arithmetical sum of the moments of two forces about any point, is equal to the moments of their resultant about that point Arithmetical sum of the moments of the forces about any point in their plane, is equal to the moment of their resultant about that point Algebraic sum of the moments of the forces about any point in their plane, is equal to the moment of their resultant about that point Algebraic sum of the moments of two forces about any point, is equal to the moment of their resultant about that point Arithmetical sum of the moments of two forces about any point, is equal to the moments of their resultant about that point ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be equal to 100% more than 66.67% less than 50% more than 50% equal to 100% more than 66.67% less than 50% more than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’, is P² + Q² + 2P sin θ √(P² + Q² + 2PQ cos θ) P² + Q² + 2PQ tan θ P² + Q² + 2PQ cos θ P² + Q² + 2P sin θ √(P² + Q² + 2PQ cos θ) P² + Q² + 2PQ tan θ P² + Q² + 2PQ cos θ ANSWER DOWNLOAD EXAMIANS APP