Applied Mechanics and Graphic Statics A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in 5 sec 10 sec 8 sec 20 sec 5 sec 10 sec 8 sec 20 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is 4 6 7i 8 8TC 4 6 7i 8 8TC ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is That resultant couple must be zero None of these That polygon of forces must close Both (A) and (B) That resultant couple must be zero None of these That polygon of forces must close Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as Negative work Virtual work Imaginary work None of these Negative work Virtual work Imaginary work None of these 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 rectilinear motion with constant speed A simple harmonic motion None of these A damped oscillatory motion A rectilinear motion with constant speed A simple harmonic motion None of these A damped oscillatory motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down Rubber and lead balls undergo equal changes in momentum None of these Momentum of rubber ball is less than that of lead ball Change in momentum suffered by lead ball is less that of rubber ball Rubber and lead balls undergo equal changes in momentum None of these Momentum of rubber ball is less than that of lead ball Change in momentum suffered by lead ball is less that of rubber ball ANSWER DOWNLOAD EXAMIANS APP