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 axis Instantaneous centre Point of rotation Virtual centre Instantaneous axis Instantaneous centre Point of rotation ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is 0.7 0.6 0.65 0.75 0.7 0.6 0.65 0.75 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of 8 Newtons 5 Newtons 12 Newtons 10 Newtons 8 Newtons 5 Newtons 12 Newtons 10 Newtons ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be 1/2 T 3 T √2 T 2 T 1/2 T 3 T √2 T 2 T ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is 0.25 0.50 0.75 1.0 0.25 0.50 0.75 1.0 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is 10.8 t 10.4 t 10.6 t 10.2 t 10.8 t 10.4 t 10.6 t 10.2 t ANSWER DOWNLOAD EXAMIANS APP