Applied Mechanics and Graphic Statics The centre of gravity of a quadrant of a circle lies along its central radius at a distance of 0.4 R 0.3 R 0.2 R 0.6 R 0.4 R 0.3 R 0.2 R 0.6 R ANSWER DOWNLOAD EXAMIANS APP
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 The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known Rolling friction Sliding friction None of these Limiting friction Rolling friction Sliding friction None of these Limiting friction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. The kinetic energy of a body Before impact is more than that after impact Before impact is less than that after impact Remain constant Before impact is equal to that after impact Before impact is more than that after impact Before impact is less than that after impact Remain constant Before impact is equal to that after impact ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics From a solid cylinder of height 8 cm and radius 4 cm, a right circular cone is scooped out on the same base and having the same height as that of the cylinder. The C.G. of the remainder is at a height of 5.0 cm 5.25 cm 5.5 cm 4.5 cm 5.0 cm 5.25 cm 5.5 cm 4.5 cm 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 12 m/sec 6 m/sec 24 m/sec 48 m/sec 12 m/sec 6 m/sec 24 m/sec 48 m/sec ANSWER DOWNLOAD EXAMIANS APP
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