Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is None of these Both (A) and (B) That polygon of forces must close That resultant couple must be zero None of these Both (A) and (B) That polygon of forces must close That resultant couple must be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a given velocity of a projectile, the range is maximum when the angle of projection is 0° 90° 30° 45° 0° 90° 30° 45° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle moving with a simple harmonic motion, attains its maximum velocity when it passes Through a point at half amplitude Through the mean position None of these The extreme point of the oscillation Through a point at half amplitude Through the mean position None of these The extreme point of the oscillation ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A vehicle weighing w kg is to run on a circular curve of radius r. If the height of its centre of gravity above the road level is h and the distance between the centres of wheels is 2a, the maximum velocity, in order to avoid over turning, will be ∛(gra/h) gra/h √(gra/h) 4√(gra/h) ∛(gra/h) gra/h √(gra/h) 4√(gra/h) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angles between two forces to make their resultant a minimum and a maximum respectively are 180° and 0° 90° and 180° 0° and 90° 180° and 90° 180° and 0° 90° and 180° 0° and 90° 180° and 90° 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 None of these a damped oscillatory motion 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 ANSWER DOWNLOAD EXAMIANS APP