Applied Mechanics and Graphic Statics The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is 237.5 cm⁴ 137.5 cm⁴ 337.5 cm⁴ 437.5 cm⁴ 237.5 cm⁴ 137.5 cm⁴ 337.5 cm⁴ 437.5 cm⁴ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a set of given forces are such that their free vectors build a closed polygon, then The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple are always zero The resultant force is zero but resultant couple is not zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple are always zero The resultant force is zero but resultant couple is not zero The resultant force and resultant couple both may not be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of the ranges on the inclined plane with motion upward and with motion downward for a given velocity, angle of projection will be sin (α + β)/sin (α - β) sin (α - β)/sin (α + β) cos (α - β)/cos (α + β) tan (α - β)/tan (α + β) sin (α + β)/sin (α - β) sin (α - β)/sin (α + β) cos (α - β)/cos (α + β) tan (α - β)/tan (α + β) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is: Algebraic sum of horizontal components of all the forces must be zero Algebraic sum of the moments of the forces about a point must be zero Algebraic sum of vertical components of all the forces must be zero All (A), (B) and (C) Algebraic sum of horizontal components of all the forces must be zero Algebraic sum of the moments of the forces about a point must be zero Algebraic sum of vertical components of all the forces must be zero All (A), (B) and (C) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The dimensions of power are. M’L2T2 M’L’T3 M’L-‘T* M’L’r2 M’L2T2 M’L’T3 M’L-‘T* M’L’r2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Impulse can be obtained from a Velocity-displacement diagram Force-time diagram Velocity-time diagram Force-displacement diagram Velocity-displacement diagram Force-time diagram Velocity-time diagram Force-displacement diagram ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS