Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The mechanical advantage of the lifting machine is 15 26 20 18 15 26 20 18 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The number of funicular polygons which can be drawn to pass through two specified points in the space diagram are zero 2 1 infinity zero 2 1 infinity ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is wl²/4d wl²/8d wl/4d wl²/16d wl²/4d wl²/8d wl/4d wl²/16d ANSWER DOWNLOAD EXAMIANS APP
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/2y wl wl/8y wl/4y wl/2y wl wl/8y wl/4y ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Minimum pull in a suspended cable with supports at two ends is equal to Resultant of horizontal thrust and support reaction Half the weight of the cable Support reactions Horizontal thrust Resultant of horizontal thrust and support reaction Half the weight of the cable Support reactions Horizontal thrust 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 magnitude of the limiting friction bears a constant ratio to the normal reaction between two surfaces 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 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 is dependent upon the area of contact ANSWER DOWNLOAD EXAMIANS APP
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