Applied Mechanics and Graphic Statics If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to None of these 5 kg 1 kg 7 kg None of these 5 kg 1 kg 7 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A 2 m long ladder rests against a wall and makes an angle of 30° with the horizontal floor. Where will be the instantaneous center of rotation when the ladder starts slipping ?i. 1.0 in from the wallii. 1.732 m from the walliii. 1.0 m above the flooriv. 1.732 m above the floorThe correct answer is (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A string of length 90 cm is fastened to two points ‘A’ and ‘B’ at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force ‘P’ is applied to the ring such that it is in equilibrium vertically below ‘B’. The value of ‘P’ is: 40 g 100 g 60 g 80 g 40 g 100 g 60 g 80 g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condition of equilibrium for any system of forces in a plane is That resultant couple must be zero None of these Both (A) and (B) That polygon of forces must close That resultant couple must be zero None of these Both (A) and (B) That polygon of forces must close ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is 0.65 0.75 0.6 0.7 0.65 0.75 0.6 0.7 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics In which of the following trusses, the method of substitution is required for determining the forces in all the members of the truss by graphic statics? Howe truss Fink truss King post truss Warren truss Howe truss Fink truss King post truss Warren truss ANSWER DOWNLOAD EXAMIANS APP
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