Applied Mechanics and Graphic Statics
Pick up the correct statement from the following. The kinetic energy of a body

Before impact is more than that after impact
Remain constant
Before impact is less than that after impact
Before impact is equal to that after impact

ANSWER DOWNLOAD EXAMIANS APP

Applied Mechanics and Graphic Statics
One end of an elastic string of natural length / 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 damped oscillatory motion
None of these
a simple harmonic motion

ANSWER DOWNLOAD EXAMIANS APP