Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is That polygon of forces must close That resultant couple must be zero Both (A) and (B) None of these That polygon of forces must close That resultant couple must be zero Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is 2/3 3/5 1/5 1/3 2/3 3/5 1/5 1/3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The equation of motion of a particle starting from rest along a straight line is x = t³ - 3t²+ 5. The ratio of the accelerations after 5 sec and 3 sec will be 3 2 4 5 3 2 4 5 ANSWER DOWNLOAD EXAMIANS APP
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 10.8 t 10.6 t 10.2 t 10.4 t 10.8 t 10.6 t 10.2 t 10.4 t 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 0.2 R 0.4 R 0.3 R 0.6 R 0.2 R 0.4 R 0.3 R ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Coefficient of friction depends on None of these Area of contact only Nature of surfaces only Both (A) and (B) None of these Area of contact only Nature of surfaces only Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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