Applied Mechanics and Graphic Statics Kinetic friction may be defined as Friction force acting when the body is just about to move Angle between normal reaction and resultant of normal reaction and limiting friction Ratio of limiting friction and normal reaction Friction force acting when the body is in motion Friction force acting when the body is just about to move Angle between normal reaction and resultant of normal reaction and limiting friction Ratio of limiting friction and normal reaction Friction force acting when the body is in motion ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A bullet weighing 200 g is fired horizontally with a velocity of 25 m/sec from a gun carried on a carriage which together with the gun weighs 100 kg. The velocity of recoil of the gun, will be 0.01 m/sec 1.5 m/see 0.05 m/sec 1.00 m/sec 0.01 m/sec 1.5 m/see 0.05 m/sec 1.00 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a quadrant of a circle lies along its central radius at a distance of 0.6 R 0.4 R 0.2 R 0.3 R 0.6 R 0.4 R 0.2 R 0.3 R ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be None of these Less than 60% 0.5 More than 50% None of these Less than 60% 0.5 More than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is thrown at an angle ‘α’ to the horizontal with velocity ‘v’. It will have the maximum centripetal acceleration Elsewhere At the top of the trajectory At the start As it strikes the ground Elsewhere At the top of the trajectory At the start As it strikes the ground ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The apparent weight of a man in a moving lift is less than his real weight when it is going down with An acceleration Linear momentum Retardation Uniform speed An acceleration Linear momentum Retardation Uniform speed ANSWER DOWNLOAD EXAMIANS APP