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 4 J 2 J 8 J 6 J 4 J 2 J 8 J 6 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is wl/4d wl²/4d wl²/8d wl²/16d wl/4d wl²/4d wl²/8d wl²/16d ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In a simple screw jack, the pitch of the screw is 9 mm and length of the handle operating the screw is 45 cm. The velocity ratio of the system is 314 25 1.5 5 314 25 1.5 5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down, is called None of these Angle of friction Angle of inclination Angle of repose None of these Angle of friction Angle of inclination Angle of repose ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The units of inertia of mass are kg/m² kg-m² kg/m m⁴ kg/m² kg-m² kg/m m⁴ 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 1.2 sec 1 sec ½ sec 1.5 sec 1.2 sec 1 sec ½ sec 1.5 sec ANSWER DOWNLOAD EXAMIANS APP