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 2 J 8 J 4 J 6 J 2 J 8 J 4 J 6 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The units of moment of inertia of an area are m3 kg/m kg/m2 m4 m3 kg/m kg/m2 m4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Coefficient of friction depends on Area of contact only Nature of surfaces only None of these Both (A) and (B) Area of contact only Nature of surfaces only None of these Both (A) and (B) 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 70 m/sec 80 m/sec 90 m/sec 75 m/sec 70 m/sec 80 m/sec 90 m/sec 75 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is moving downwards, the acceleration of the lift, is g/5 g/4 g/3 g/2 g/5 g/4 g/3 g/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The displacement of a particle which moves along a straight line is given by S = 4t³ + 3t²- 10 where ‘S’ is in meters and t is in seconds. The time taken by the particle to acquire a velocity of 18 m/sec from rest, is 1.5 sec 1 sec ½ sec 1.2 sec 1.5 sec 1 sec ½ sec 1.2 sec ANSWER DOWNLOAD EXAMIANS APP