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 3 4 2 5 3 4 2 5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is 18 m/sec 22 m/sec 16 m/sec 20 m/sec 18 m/sec 22 m/sec 16 m/sec 20 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the incorrect statement from the following. In a simple harmonic motion Velocity is minimum at the end of the stroke Acceleration is zero at the mean position Acceleration is minimum at the end of the stroke Velocity is maximum at its mean position Velocity is minimum at the end of the stroke Acceleration is zero at the mean position Acceleration is minimum at the end of the stroke Velocity is maximum at its mean position 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 None of these a damped oscillatory motion a simple harmonic motion a rectilinear motion with constant speed None of these a damped oscillatory motion a simple harmonic motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if Floor and wall both are smooth surfaces Floor is rough and the wall is smooth Floor is smooth and the wall is rough Floor and wall both are rough surfaces Floor and wall both are smooth surfaces Floor is rough and the wall is smooth Floor is smooth and the wall is rough Floor and wall both are rough surfaces ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and Concurrent Concurrent parallel Parallel None of these Concurrent Concurrent parallel Parallel None of these ANSWER DOWNLOAD EXAMIANS APP
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