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 6 J 4 J 8 J 2 J 6 J 4 J 8 J 2 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Periodic time of body moving with simple harmonic motion, is Inversely proportional to the square of its angular velocity Directly proportional to the square of its angular velocity Inversely proportional to its angular velocity Directly proportional to its angular velocity Inversely proportional to the square of its angular velocity Directly proportional to the square of its angular velocity Inversely proportional to its angular velocity Directly proportional to its angular velocity ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angles between two forces to make their resultant a minimum and a maximum respectively are 180° and 90° 90° and 180° 0° and 90° 180° and 0° 180° and 90° 90° and 180° 0° and 90° 180° and 0° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is(i) 5000 Nm(ii) 5000 kg.m(iii) 5000 J Both (ii) and (iii) Only (ii) Both (i) and (iii) All (i), (ii) and (iii) Both (ii) and (iii) Only (ii) Both (i) and (iii) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following factor affects the orbit of a satellite up to an altitude of 720 km from the earth's surface Aerodynamic forces Uneven distribution of the gravitational field None of these Gravity of the sun and the moon Aerodynamic forces Uneven distribution of the gravitational field None of these Gravity of the sun and the moon 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 0.65 0.75 0.6 0.7 0.65 0.75 0.6 ANSWER DOWNLOAD EXAMIANS APP