Applied Mechanics and Graphic Statics Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of One-third of the total height above base One-half of the total height above base None of these One-fourth of the total height above base One-third of the total height above base One-half of the total height above base None of these One-fourth of the total height above base 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 On any point on the line of action of the force On the periphery of the body At any point on the surface normal to the line of action of the force At the centre of gravity of the body On any point on the line of action of the force On the periphery of the body At any point on the surface normal to the line of action of the force At the centre of gravity of the body 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 × 3 m 2 m × 3 m Equally stable on all faces 1 m × 2 m 1 m × 3 m 2 m × 3 m Equally stable on all faces 1 m × 2 m 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 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 None of these A simple harmonic motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to Half the original velocity in the same direction Half the original velocity in the opposite direction Original velocity in the same direction Original velocity in the opposite direction Half the original velocity in the same direction Half the original velocity in the opposite direction Original velocity in the same direction Original velocity in the opposite direction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along The same line in opposite sense None of these The perpendicular to both the lines The same line in the same sense The same line in opposite sense None of these The perpendicular to both the lines The same line in the same sense ANSWER DOWNLOAD EXAMIANS APP
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