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 wl/4d wl²/16d wl²/4d wl²/8d wl/4d wl²/16d wl²/4d wl²/8d ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to (where r is the distance of’the particle from centre of the earth) log r 1/r r2 r log r 1/r r2 r ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A solid sphere of mass M and radius R rolls down a plane inclined at 0 with the horizontal. The acceleration of sphere is (where g is acceleration due to gravity) (5/7) g sin0 (1/3) g sin0 (3/7) g sin 0 (2/5) g sin 0 (5/7) g sin0 (1/3) g sin0 (3/7) g sin 0 (2/5) g sin 0 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 50 kg boy climbs up a 8 m rope in gymnasium in 10 sec. The average power developed by the boy is approximately 500 watts 400 watts 4000 watts None of these 500 watts 400 watts 4000 watts None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The units of moment of inertia of an area are m4 kg/m2 kg/m m3 m4 kg/m2 kg/m m3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum displacement of a particle executing S.H.M. corresponds to Minimum kinetic energy and minimum potential energy Zero potential energy and maximum kinetic energy Maximum kinetic energy and maximum potential energy Zero kinetic energy and maximum potential energy Minimum kinetic energy and minimum potential energy Zero potential energy and maximum kinetic energy Maximum kinetic energy and maximum potential energy Zero kinetic energy and maximum potential energy ANSWER DOWNLOAD EXAMIANS APP