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 Algebraic sum of horizontal components of all the forces must be zero All (A), (B) and (C) 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 Algebraic sum of horizontal components of all the forces must be zero All (A), (B) and (C) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The intrinsic equation of catenary is S = c tan ψ y = c sinh ψ y = c cosh x/c y = c cosh ψ S = c tan ψ y = c sinh ψ y = c cosh x/c y = c cosh ψ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle moving with a simple harmonic motion, attains its maximum velocity when it passes The extreme point of the oscillation Through the mean position None of these Through a point at half amplitude The extreme point of the oscillation Through the mean position None of these Through a point at half amplitude ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Moment of inertia of a squares of side ‘b’ about an axis through its centre of gravity, is b⁴/3 b³/4 b⁴/8 b⁴/12 b⁴/3 b³/4 b⁴/8 b⁴/12 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be √2 T 2 T 1/2 T 3 T √2 T 2 T 1/2 T 3 T ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force polygon representing a set of forces in equilibrium is a Open polygon Closed polygon Parallelogram Triangle Open polygon Closed polygon Parallelogram Triangle ANSWER DOWNLOAD EXAMIANS APP