Applied Mechanics and Graphic Statics A system of coplanar forces is in equilibrium when Both force polygon" and funicular polygon close All the forces are concurrent Force polygon closes Funicular polygon closes Both force polygon" and funicular polygon close All the forces are concurrent Force polygon closes Funicular polygon closes ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length ‘l’ and modulus ‘X’ is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance ‘x’, held at rest and then released.The motion is None of these A simple harmonic motion A damped oscillatory motion A rectilinear motion with constant speed None of these A simple harmonic motion A damped oscillatory motion A rectilinear motion with constant speed ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘α’ is the angular acceleration of a compound pendulum whose angular displacement is ‘θ’, the frequency of the motion is 2π √(α/θ) 2π √(α - θ) 4π √(α/θ) (1/2π) √(α/θ) 2π √(α/θ) 2π √(α - θ) 4π √(α/θ) (1/2π) √(α/θ) 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 any point on the surface normal to the line of action of the force On any point on the line of action of the force On the periphery of the body At the centre of gravity of the body At any point on the surface normal to the line of action of the force On any point on the line of action of the force On the periphery of the body At the centre of gravity of the body ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is l/√2 ½ l 2/√3 l ¾ l l/√2 ½ l 2/√3 l ¾ l ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A solid sphere of mass M and radius R rolls down a plane inclined at 0 with the horizontal. The acceleration of sphere is (where g is acceleration due to gravity) (1/3) g sin0 (3/7) g sin 0 (2/5) g sin 0 (5/7) g sin0 (1/3) g sin0 (3/7) g sin 0 (2/5) g sin 0 (5/7) g sin0 ANSWER DOWNLOAD EXAMIANS APP
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