Applied Mechanics and Graphic Statics When two forces, each equal to P, act at 90° to each other, then the resultant will be P 2P P√2 P/√2 P 2P P√2 P/√2 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 r 1/r r2 log r r 1/r r2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length Is not changed but weight of the bob is decreased Must be increased Is not changed but weight of the bob is increased Must be decreased Is not changed but weight of the bob is decreased Must be increased Is not changed but weight of the bob is increased Must be decreased ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A cylinder will slip on an inclined plane of inclination 0 if the coefficient of static friction between plane and cylinder is less than (2/3) sin 6 less than (2/3) tan 0 less than (1/3) tan 0 less than (1/3) sin 6 less than (2/3) sin 6 less than (2/3) tan 0 less than (1/3) tan 0 less than (1/3) sin 6 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two parallel forces 20 kg and 15 kg act. In order that the distance of the resultant from 20 kg force may be the same as that of the former resultant was from 15 kg, the 20 kg force is diminished by 10.5 kg 8.75 kg 6.25 kg 5.5 kg 10.5 kg 8.75 kg 6.25 kg 5.5 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of the trapezium as shown in below figure from the side is at a distance of (h/3) × [(2b + a)/(b + a)] (h/3) × [(b + 2a)/(b + a)] (h/2) × [(b + 2a)/(b + a)] (h/2) × [(2b + a)/(b + a)] (h/3) × [(2b + a)/(b + a)] (h/3) × [(b + 2a)/(b + a)] (h/2) × [(b + 2a)/(b + a)] (h/2) × [(2b + a)/(b + a)] ANSWER DOWNLOAD EXAMIANS APP
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