Applied Mechanics and Graphic Statics The force acting on a point on the surface of a rigid body may be considered to act At the centre of gravity of the body On the periphery of the body On any point on the line of action of the force At any point on the surface normal to the line of action of the force At the centre of gravity of the body On the periphery of the body On any point on the line of action of the force At any point on the surface normal to the line of action of the force ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body is dropped from a height of 100 m and at the same time another body is projected vertically upward with a velocity of 10 m/sec. The two particles will Meet after 5 sec Meet after 10 sec Meet after 1 sec Never meet Meet after 5 sec Meet after 10 sec Meet after 1 sec Never meet 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 None of these A rectilinear motion with constant speed A simple harmonic motion A damped oscillatory motion None of these A rectilinear motion with constant speed A simple harmonic motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone of mass 1 kg is tied to a string of length 1 m and whirled in a horizontal circle at a constant angular speed 5 rad/sec. The tension in the string is, 5 N 25 N 10 N 15 N 5 N 25 N 10 N 15 N ANSWER DOWNLOAD EXAMIANS APP
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 The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is 5.88 m/sec 12.88 m/sec 8.88 m/sec 10.88 m/sec 5.88 m/sec 12.88 m/sec 8.88 m/sec 10.88 m/sec ANSWER DOWNLOAD EXAMIANS APP
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