Applied Mechanics and Graphic Statics If ‘l’ is the span of a light suspension bridge who’s each cable carries total weight (w) and the central dip is ‘y’, the horizontal pull at each support, is wl/4y wl/8y wl wl/2y wl/4y wl/8y wl wl/2y ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone of mass 1 kg is tied to a string of length 1 m and whirled in a horizontal circle at a constant angular speed 5 rad/sec. The tension in the string is, 5 N 10 N 15 N 25 N 5 N 10 N 15 N 25 N ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following is not a law of static friction: The force of friction always acts in a direction opposite to that in which the body tends to move The force of friction depends upon the roughness of the surface The force of friction is dependent upon the area of contact 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 depends upon the roughness of the surface The force of friction is dependent upon the area of contact 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 angles between two forces to make their resultant a minimum and a maximum respectively are 180° and 0° 90° and 180° 0° and 90° 180° and 90° 180° and 0° 90° and 180° 0° and 90° 180° and 90° 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 None of these Rolling friction Limiting friction Sliding friction None of these Rolling friction Limiting friction Sliding friction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ratio of unit of force in gravitational system to that in absolute system is (where ‘g’ is acceleration due to gravity) g 1/g None of these 1 g 1/g None of these 1 ANSWER DOWNLOAD EXAMIANS APP