Applied Mechanics and Graphic Statics A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is 75 m/sec 90 m/sec 80 m/sec 70 m/sec 75 m/sec 90 m/sec 80 m/sec 70 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The point about which combined motion of rotation and translation of a rigid body takes place, is known as Instantaneous axis Instantaneous centre Virtual centre Point of rotation Instantaneous axis Instantaneous centre Virtual centre Point of rotation ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a plane lamina will not be at its geometrical centre if it is a Equilateral triangle Right angled triangle Rectangle Circle Equilateral triangle Right angled triangle Rectangle Circle ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If g1 and g2 are the gravitational accelerations on two mountains A and B respectively, the weight of a body when transported from A to B will be multiplied by g1/g2 g2 g1 g2/g1 g1/g2 g2 g1 g2/g1 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be 30 m/sec 40 m/sec 20 m/sec 50 m/sec 30 m/sec 40 m/sec 20 m/sec 50 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In SI units, the units of force and energy are respectively Newton and joule Newton and watt kg wt and joule Dyne and erg Newton and joule Newton and watt kg wt and joule Dyne and erg ANSWER DOWNLOAD EXAMIANS APP