Applied Mechanics and Graphic Statics
Kinetic friction may be defined as

Angle between normal reaction and resultant of normal reaction and limiting friction
Ratio of limiting friction and normal reaction
Friction force acting when the body is in motion
Friction force acting when the body is just about to move

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 damped oscillatory motion
A simple harmonic motion
A rectilinear motion with constant speed

ANSWER DOWNLOAD EXAMIANS APP

Applied Mechanics and Graphic Statics
Varingon’s theorem of moment’s states

Algebraic sum of the moments of two forces about any point, is equal to the moment of their resultant about that point
Arithmetical sum of the moments of two forces about any point, is equal to the moments of their resultant about that point
Arithmetical sum of the moments of the forces about any point in their plane, is equal to the moment of their resultant about that point
Algebraic sum of the moments of the forces about any point in their plane, is equal to the moment of their resultant about that point

ANSWER DOWNLOAD EXAMIANS APP