Applied Mechanics and Graphic Statics The following is not a law of static friction: The force of friction depends upon the roughness of the surface The force of friction is dependent upon the area of contact The force of friction always acts in a direction opposite to that in which the body tends to move The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction depends upon the roughness of the surface The force of friction is dependent upon the area of contact The force of friction always acts in a direction opposite to that in which the body tends to move The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body falls freely under gravitational force, it possesses No weight Minimum weight Maximum weight No effect on its weight No weight Minimum weight Maximum weight No effect on its weight ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be None of these 10 m/sec Zero 5 m/sec None of these 10 m/sec Zero 5 m/sec 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 43895 43833 43864 43835 43895 43833 43864 43835 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle of mass 2 kg executes simple harmonic motion of frequency 6/71 Hz and amplitude 0.25 m. Its maximum kinetic energy is 9.0 J 4.5 J 18.0 J 12.0 J 9.0 J 4.5 J 18.0 J 12.0 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of the ranges on the inclined plane with motion upward and with motion downward for a given velocity, angle of projection will be sin (α + β)/sin (α - β) sin (α - β)/sin (α + β) cos (α - β)/cos (α + β) tan (α - β)/tan (α + β) sin (α + β)/sin (α - β) sin (α - β)/sin (α + β) cos (α - β)/cos (α + β) tan (α - β)/tan (α + β) ANSWER DOWNLOAD EXAMIANS APP
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