Applied Mechanics and Graphic Statics The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is 10.6 t 10.2 t 10.8 t 10.4 t 10.6 t 10.2 t 10.8 t 10.4 t ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For maximum range of a projectile, the angle of projection should be None of these 60° 45° 30° None of these 60° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle moves in a straight line and its position is defined by the equation x = 6 t² - t3 where t is expressed in seconds and ‘x’ in meters. The maximum velocity during the motion is 6 m/sec 24 m/sec 48 m/sec 12 m/sec 6 m/sec 24 m/sec 48 m/sec 12 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A point subjected to a number of forces will be in equilibrium, if Algebraic sum of the moments of the forces about the point is zero Algebraic sum of the forces is zero Two resolved parts in any two directions at right angles are equal Sum of resolved parts in any two directions at right angles, are both zero Algebraic sum of the moments of the forces about the point is zero Algebraic sum of the forces is zero Two resolved parts in any two directions at right angles are equal Sum of resolved parts in any two directions at right angles, are both zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For the given values of initial velocity of projection and angle of inclination of the plane, the maximum range for a projectile projected upwards will be obtained, if the angle of projection is α = π/4 - β/2 α = π/4 - β/2 α = π/2 + β/2 α = β/2 - π/2 α = π/4 - β/2 α = π/4 - β/2 α = π/2 + β/2 α = β/2 - π/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle of friction is: The ratio of the friction and the normal reaction The force of friction when the body is in motion The force of friction at which the body is just about to move The angle between the normal reaction and the resultant of normal reaction and limiting friction The ratio of the friction and the normal reaction The force of friction when the body is in motion The force of friction at which the body is just about to move The angle between the normal reaction and the resultant of normal reaction and limiting friction ANSWER DOWNLOAD EXAMIANS APP