Applied Mechanics and Graphic Statics The instantaneous centre of a member lies at the point of intersection of two lines drawn at the ends of the member such that the lines are inclined to the direction of motion of the ends at 30° 60° 45° 90° 30° 60° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is 1.57 m/sec 3.14 m/sec 6.28 m/sec 1.00 m/sec 1.57 m/sec 3.14 m/sec 6.28 m/sec 1.00 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration Elsewhere At the top of the trajectory As it strikes the ground At the start Elsewhere At the top of the trajectory As it strikes the ground At the start ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball of mass 1 kg moving with a velocity of 2 m/sec collides a stationary ball of mass 2 kg and comes to rest after impact. The velocity of the second ball after impact will be Zero 1.0 m/sec 2.0 m/sec 0.5 m/sec Zero 1.0 m/sec 2.0 m/sec 0.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
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 80 m/sec 90 m/sec 70 m/sec 75 m/sec 80 m/sec 90 m/sec 70 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 66.67% less than 50% more than 50% equal to 100% more than 66.67% less than 50% more than 50% equal to 100% ANSWER DOWNLOAD EXAMIANS APP