Applied Mechanics and Graphic Statics The point about which combined motion of rotation and translation of a rigid body takes place, is known as Virtual centre Instantaneous centre Point of rotation Instantaneous axis Virtual centre Instantaneous centre Point of rotation Instantaneous axis ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be 5 m/sec 10 m/sec Zero None of these 5 m/sec 10 m/sec Zero None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at its centre of mass has a speed of 200 mm/sec. The work required to stop the hoop is 8 J 6 J 4 J 2 J 8 J 6 J 4 J 2 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in 8 sec 10 sec 5 sec 20 sec 8 sec 10 sec 5 sec 20 sec 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 a simple harmonic motion None of these a rectilinear motion with constant speed a damped oscillatory motion a simple harmonic motion None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The rotational velocity of a satellite is increased by 450 m per second if its launch is done from equator Southward Westward Northward Eastward Southward Westward Northward Eastward ANSWER DOWNLOAD EXAMIANS APP