Applied Mechanics and Graphic Statics The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t²+ 5. The ratio of the accelerations after 5 sec and 3 sec will be 5 4 3 2 5 4 3 2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body moves round a fixed axis, it has A translatory A rotary motion and translatory motion A circular motion A rotary motion A translatory A rotary motion and translatory motion A circular motion A rotary motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is 5 sec 3 sec 4 sec 2 sec 5 sec 3 sec 4 sec 2 sec 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 90° and 180° 180° and 0° 180° and 90° 0° and 90° 90° and 180° 180° and 0° 180° and 90° 0° and 90° 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 simple harmonic motion A rectilinear motion with constant speed None of these A damped oscillatory motion A simple harmonic motion A rectilinear motion with constant speed None of these A damped oscillatory motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is fired at an angle ‘θ’ to the vertical. Its horizontal range will be maximum when ‘θ’ is 45° 0° 30° 90° 45° 0° 30° 90° ANSWER DOWNLOAD EXAMIANS APP