Applied Mechanics and Graphic Statics If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is None of these —rad/sec 20 —rad/sec 10 —rad/sec 30 None of these —rad/sec 20 —rad/sec 10 —rad/sec 30 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 b³/4 b⁴/3 b⁴/12 b⁴/8 b³/4 b⁴/3 b⁴/12 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity ratio of the differential wheel and axle is 2R/r1 + r2 3R/r1 - r2 R/r1 - r2 2R/r1 2R/r1 + r2 3R/r1 - r2 R/r1 - r2 2R/r1 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Kinetic friction may be defined as Ratio of limiting friction and normal reaction Friction force acting when the body is in motion Angle between normal reaction and resultant of normal reaction and limiting friction Friction force acting when the body is just about to move Ratio of limiting friction and normal reaction Friction force acting when the body is in motion Angle between normal reaction and resultant of normal reaction and limiting friction Friction force acting when the body is just about to move ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a ladder resisting on a smooth ground and leaning against a rough vertical wall, the force of friction acts Upwards at its upper end Towards the wall at its upper end Downwards at its upper end Away from the wall at its upper end Upwards at its upper end Towards the wall at its upper end Downwards at its upper end Away from the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction.The speeds of the objects are: 4 m/sec and 6 m/sec 3 m/sec and 2 m/sec 2 m/sec and 2 m/sec 3 m/sec and 3 m/sec 4 m/sec and 6 m/sec 3 m/sec and 2 m/sec 2 m/sec and 2 m/sec 3 m/sec and 3 m/sec ANSWER DOWNLOAD EXAMIANS APP