Applied Mechanics and Graphic Statics Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis? Disc with larger density Both discs will have same rotational inertia None of these Disc with smaller density Disc with larger density Both discs will have same rotational inertia None of these Disc with smaller density ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Moment of inertia of a squares of side ‘b’ about an axis through its centre of gravity, is b⁴/8 b⁴/3 b³/4 b⁴/12 b⁴/8 b⁴/3 b³/4 b⁴/12 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A retarding force on a body does not None of these Introduce the motion of the body Retard the motion of the body Change the motion of the body None of these Introduce the motion of the body Retard the motion of the body Change the motion of the body ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two equal forces of magnitude ‘P’ act at an angle ‘θ’, their resultant, will be 2P sin θ/2 2P cos θ/2 P tan θ/2 P cos θ/2 2P sin θ/2 2P cos θ/2 P tan θ/2 P cos θ/2 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 5 314 1.5 25 5 314 1.5 25 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by 5.5 kg 6.25 kg 10.5 kg 8.75 kg 5.5 kg 6.25 kg 10.5 kg 8.75 kg ANSWER DOWNLOAD EXAMIANS APP
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