Applied Mechanics and Graphic Statics If the given forces P₁, P₂, P₃ and P₄ are such that the force polygon does not close, then the system will Be in equilibrium Both (A) and (C) Always reduce to a resultant force Always reduce to a couple Be in equilibrium Both (A) and (C) Always reduce to a resultant force Always reduce to a couple 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 Must be decreased Must be increased Is not changed but weight of the bob is decreased Is not changed but weight of the bob is increased Must be decreased Must be increased Is not changed but weight of the bob is decreased Is not changed but weight of the bob is increased ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A trolley wire weighs 1 kg per metre length. The ends of the wire are attached to two poles 20 m apart. If the horizontal tension is 1000 kg, the central dip of the cable is 5 cm 3 cm 2 cm 4 cm 5 cm 3 cm 2 cm 4 cm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The intrinsic equation of catenary is y = c cosh x/c y = c sinh ψ S = c tan ψ y = c cosh ψ y = c cosh x/c y = c sinh ψ S = c tan ψ y = c cosh ψ 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 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 velocity ratio of the lifting machine is 60 50 65 55 60 50 65 55 ANSWER DOWNLOAD EXAMIANS APP
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