Applied Mechanics and Graphic Statics If a set of given forces are such that their free vectors build a closed polygon, then The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple is not zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple are always zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple is not zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple are always zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A solid cylinder of mass M and radius R rolls down an inclined plane without slipping. The acceleration of center of mass of rolling cylinder is (where ‘g’ is acceleration due to gravity and 0 is inclination of plane with horizontal.) (2/3) g sin 0 (1/3) g sinB (2/3) g cos 9 g sin 9 (2/3) g sin 0 (1/3) g sinB (2/3) g cos 9 g sin 9 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Force polygon method is applicable for A system of parallel forces only Concurrent coplanar force system Non-concurrent coplanar force system Any coplanar force system A system of parallel forces only Concurrent coplanar force system Non-concurrent coplanar force system Any coplanar force system ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are Straight line and circle Circle and straight line Straight line and parabola Circle and parabola Straight line and circle Circle and straight line Straight line and parabola Circle and parabola 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° 180° and 90° 0° and 90° 90° and 180° 180° and 0° 180° and 90° 0° and 90° 90° and 180° 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/8y wl wl/4y wl/2y wl/8y wl wl/4y wl/2y ANSWER DOWNLOAD EXAMIANS APP
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