Applied Mechanics and Graphic Statics The following is not a law of static friction: The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction always acts in a direction opposite to that in which the body tends to move The force of friction is dependent upon the area of contact The force of friction depends upon the roughness of the surface The magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces The force of friction always acts in a direction opposite to that in which the body tends to move The force of friction is dependent upon the area of contact The force of friction depends upon the roughness of the surface ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A body is said to move with Simple Harmonic Motion if its acceleration, is Proportional to the distance from the point of reference and directed towards it Proportional to the square of the distance from the point of reference Always directed away from the centre, the point of reference Inversely proportion to the distance from the point of reference Proportional to the distance from the point of reference and directed towards it Proportional to the square of the distance from the point of reference Always directed away from the centre, the point of reference Inversely proportion to the distance from the point of reference ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A projectile is fired at an angle ‘θ’ to the vertical. Its horizontal range will be maximum when ‘θ’ is 30° 90° 0° 45° 30° 90° 0° 45° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The unit of impulse, is kg.m/sec² kg.m/sec kg.m/sec kg.m/sec kg.m/sec² kg.m/sec kg.m/sec kg.m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is 8 6 7i 8TC 4 8 6 7i 8TC 4 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics On a mass ‘m’ describing a circular path of radius ‘r’, the centrifugal force Acts tangentially to the circular path Acts away from the centre of rotation Is mw2r/g kgf Acts towards the centre of rotation Acts tangentially to the circular path Acts away from the centre of rotation Is mw2r/g kgf Acts towards the centre of rotation ANSWER DOWNLOAD EXAMIANS APP
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