Applied Mechanics and Graphic Statics Moment of inertia of a squares of side ‘b’ about an axis through its centre of gravity, is b³/4 b⁴/8 b⁴/12 b⁴/3 b³/4 b⁴/8 b⁴/12 b⁴/3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is: Algebraic sum of the moments of the forces about a point must be zero Algebraic sum of horizontal components of all the forces must be zero All (A), (B) and (C) Algebraic sum of vertical components of all the forces must be zero Algebraic sum of the moments of the forces about a point must be zero Algebraic sum of horizontal components of all the forces must be zero All (A), (B) and (C) Algebraic sum of vertical components of all the forces must be zero 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 0° and 90° 180° and 90° 180° and 0° 90° and 180° 0° and 90° 180° and 90° 180° and 0° 90° and 180° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle moves along a straight line such that distance ‘x’ traversed in ‘t’ seconds is given by x = t²(t + 1), the acceleration of the particle, will be 3t² + 2t 6t + 2 3t³ - 2t 6t - 2 3t² + 2t 6t + 2 3t³ - 2t 6t - 2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The point about which combined motion of rotation and translation of a rigid body takes place, is known as Virtual centre Instantaneous centre Point of rotation Instantaneous axis Virtual centre Instantaneous centre Point of rotation Instantaneous axis ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum velocity of a body vibrating with a simple harmonic motion of amplitude 150 mm and frequency 2 vibrations/sec, is 0.18845 m/sec 1.885 m/sec 18.85 m/sec 188.5 m/sec 0.18845 m/sec 1.885 m/sec 18.85 m/sec 188.5 m/sec ANSWER DOWNLOAD EXAMIANS APP